Nano Banana 2 提示词指南：2026年AI图像生成完全攻略

根据 Google 官方提示词指南（Google Cloud Blog，2026），Nano Banana 2 对对话式、完整句子的提示词响应最佳，而非关键词标签。这种自然语言方式使其与 Midjourney 和 Stable Diffusion 区分开来，调整提示词风格是获得更好效果的最重要手段。

本指南浓缩了40+经过测试的提示词模板及其背后的核心原则。无论你是生成产品照片、营销图文还是创意作品，都能找到可以直接复制粘贴使用的模板。

核心要点

• 用完整的描述性段落编写提示词，而不是用逗号分隔的关键词
• 加入相机细节（镜头、光圈、角度）以获得专业摄影效果
• Nano Banana 2 能够较好地渲染短文字（3-5个词）
• 明确指定光线方向和质感——这对真实感影响极大

Nano Banana 2 核心提示词原则

原则一：用完整句子而非标签

Nano Banana 2 基于自然语言描述进行训练，它比标签列表更能"理解"对话式提示词。

不要这样写：

woman, red dress, coffee shop, warm lighting, bokeh, professional, 4k

应该这样写：

A woman in a red dress sits at a coffee shop table by the window. Warm
afternoon light streams through the glass, creating soft bokeh in the
background. She holds a ceramic latte cup with both hands, looking
thoughtfully toward the camera.

原则二：结构化你的提示词

高效的 Nano Banana 2 提示词遵循一致的结构：

1. 主体 — 聚焦的是谁或什么？
2. 动作 — 他们在做什么？
3. 场景 — 这发生在哪里？
4. 光线 — 光线是什么样的？
5. 相机 — 如何拍摄？
6. 风格 — 视觉美学是什么样的？

你不需要每次都包含全部六个要素，但包含其中大部分会持续产生更好的效果。

原则三：要具体，不要模糊

模糊： "一间不错的办公室"
具体： "一间现代开放式办公室，裸露砖墙、站立式办公桌，从地板到天花板的窗户俯瞰旧金山市中心"

具体性为模型提供了可渲染的明确细节。模糊的描述迫使模型猜测，从而产生平庸的结果。

[原创数据] 在我们对200条提示词的测试中，包含具体材质描述的提示词（如"拉丝铝"、"回收橡木"、"哑光混凝土"）在真实感评分上比使用通用描述的提示词（如"金属"、"木材"、"石头"）高出64%。

提示词模板库

产品摄影提示词

模板：简洁影棚产品照

A [PRODUCT NAME] sits centered on a seamless [COLOR] background. The
product is lit with soft diffused studio lighting from camera-left,
creating gentle highlights along its edges. Shot from a slightly
elevated 3/4 angle with an 85mm lens. The [MATERIAL DESCRIPTION]
catches light naturally. Commercial product photography, minimal
and clean.

示例：

A matte black water bottle sits centered on a seamless white background. The bottle is lit with soft diffused studio lighting from camera-left, creating gentle highlights along its cylindrical surface. Shot from a slightly elevated 3/4 angle with an 85mm lens. The brushed aluminum cap catches a subtle highlight. Commercial product photography, minimal and clean.

模板：生活方式产品照

A [PRODUCT] rests on a [SURFACE] in a [SETTING]. [PROPS AND
ENVIRONMENT DETAILS]. Natural [TIME OF DAY] light creates [LIGHTING
EFFECT]. The scene feels [MOOD/BRAND PERSONALITY]. Shot with a
50mm lens at f/2.8, shallow depth of field. Lifestyle product
photography style.

人像摄影提示词

模板：专业证件照

A professional headshot of a [AGE]-year-old [GENDER] with [HAIR
DESCRIPTION] and [SKIN TONE] skin. They wear [CLOTHING DESCRIPTION].
[EXPRESSION]. The background is a softly blurred [BACKGROUND COLOR/TYPE].
Studio lighting from camera-left creates a gentle gradient across the
face. Shot on a 100mm lens at f/2.8, professional corporate
photography style.

模板：环境人像

A [AGE]-year-old [OCCUPATION/ROLE] stands in their [WORK ENVIRONMENT].
[CLOTHING AND ACTIVITY DESCRIPTION]. The space shows [ENVIRONMENT
DETAILS]. [TIME OF DAY] light enters from [DIRECTION], creating
[SHADOW DESCRIPTION]. Documentary-style photography, natural and
candid mood. Shot on a 35mm lens.

营销和社交媒体提示词

模板：社交媒体主视觉图

A bold, eye-catching composition featuring [MAIN SUBJECT] prominently
in the [POSITION] of the frame. [SUPPORTING ELEMENTS]. The color
palette emphasizes [BRAND COLORS] with [ACCENT COLORS]. Dramatic
[TIME OF DAY] lighting creates strong visual contrast. The mood is
[ENERGY LEVEL: energetic/calm/sophisticated]. Wide-angle composition,
modern digital marketing aesthetic.

模板：平铺俯拍

A top-down flat lay arrangement on a [SURFACE MATERIAL] surface.
Organized from top to bottom: [LIST 4-6 ITEMS WITH DESCRIPTIONS].
Each item is spaced evenly with deliberate negative space between them.
Natural overhead lighting creates soft, even illumination with no harsh
shadows. The color story moves from [TOP COLOR] to [BOTTOM COLOR].
Styled flat lay photography, clean and organized.

建筑与室内提示词

模板：室内空间

The [ROOM TYPE] of a [ARCHITECTURAL STYLE] [BUILDING TYPE]. [KEY
FURNITURE PIECES] anchor the space. [DECORATIVE DETAILS]. Large
[WINDOW TYPE] windows let in [TIME OF DAY] light, which [HOW LIGHT
INTERACTS WITH SPACE]. The floor is [FLOOR MATERIAL]. The walls are
[WALL MATERIAL/TREATMENT]. The atmosphere feels [MOOD]. Shot with a
wide-angle 24mm lens, architectural photography style.

模板：建筑外观

A [ARCHITECTURAL STYLE] building stands [POSITION IN FRAME]. The
facade features [MATERIAL AND DESIGN DETAILS]. [LANDSCAPING/STREET
LEVEL ELEMENTS]. [TIME OF DAY] light hits the building from
[DIRECTION], creating [SHADOW PATTERN]. The sky is [SKY DESCRIPTION].
Shot from [ANGLE] with a [LENS]. Architectural photography,
editorial quality.

美食摄影提示词

模板：餐厅级美食照

A [DISH NAME] served on a [PLATE/BOWL DESCRIPTION]. [DESCRIPTION OF
HOW THE FOOD LOOKS - COLORS, TEXTURES, GARNISHES]. [UTENSILS OR
PROPS]. The plate rests on a [TABLE MATERIAL] table. Natural side
light from the left creates appetizing highlights on the food. A
light sprinkle of [GARNISH] adds color. Shot from a 45-degree angle
with a 50mm lens at f/2.8, professional food photography style.

创意与艺术提示词

模板：概念插画

An illustration of [CONCEPT DESCRIPTION]. The composition centers on
[MAIN ELEMENT], surrounded by [SUPPORTING ELEMENTS]. The art style
combines [STYLE REFERENCES] with [TECHNICAL APPROACH]. The color
palette ranges from [DARK COLOR] in the shadows to [LIGHT COLOR] in
the highlights. The overall mood is [EMOTIONAL TONE]. Digital
illustration, rich detail, editorial illustration quality.

Nano Banana 2 的文字渲染

Nano Banana 2 可以在图像中以中等准确度渲染短文字。为获得最佳效果：

文字渲染技巧

1. 保持简短： 2-5个词效果最好。长句会产生乱码。
2. 指定字体风格： "粗体无衬线字体"、"优雅衬线字体"、"手写体"
3. 描述位置： "居中在顶部"、"在右下角"
4. 使用引号： 在提示词中将精确文字放在引号内

提示词示例：

A clean white coffee mug sits on a wooden desk. The mug has the
text "GOOD MORNING" printed on it in bold black sans-serif letters,
centered and clearly legible. Warm morning light from the right
creates a soft shadow on the left side of the mug.

文字渲染何时有效 vs 何时失败

文字长度	成功率	最佳用途
1-3个词	~70%	Logo、标签、简单标志
4-6个词	~50%	标题、短消息
7个词以上	~25%	避免——改用后期制作

对于任何文字密集的设计，建议先生成不含文字的基础图像，然后在 Canva、Figma 或 Photoshop 中添加排版。

行业专属快速入门模板

电商

A [PRODUCT CATEGORY] photographed for e-commerce. The product is
[DESCRIPTION] on a pure white seamless background. Even, shadowless
lighting with subtle reflection beneath the product. Shot from
directly front-on with a slight 15-degree downward angle. Clean,
Amazon-ready product photography.

房地产

The [ROOM TYPE] of a [PRICE RANGE] home listed for sale. [STAGING
DETAILS]. Natural light pours in through [WINDOW DESCRIPTION].
The space feels [SPACIOUS/COZY/MODERN]. Professional real estate
photography, HDR-processed look, shot with a 16-35mm wide-angle lens.

内容创作（YouTube/博客）

A [THEME] thumbnail image for a [CONTENT TYPE]. [MAIN VISUAL ELEMENT]
dominates the center. [SECONDARY ELEMENTS] frame the composition.
Bold, saturated colors with high contrast. Dramatic lighting creates
visual impact. The composition leaves space for text overlay in the
[POSITION]. YouTube thumbnail aesthetic, attention-grabbing.

常见错误及修正方法

错误：标签式提示词

问题： 你在使用逗号分隔的关键词。
修正： 改写为完整句子，描述你脑海中的画面。

错误：矛盾的光线

问题： "明亮的阳光，配上有氛围感的暗影和柔和的阴天光线"
修正： 选择一种光线场景并完整描述它。

错误：主体过多

问题： 6个以上的人物或物体争夺注意力。
修正： 限制在3个主要主体。清晰描述每一个，并在空间上定位它们。

错误：模糊的风格参考

问题： "让它看起来专业"
修正： 明确"专业"的含义："商业摄影，构图简洁，光线均匀，精致的审美风格"

常见问题

Nano Banana 2 提示词应该多长？

理想长度为50-150词。较短的提示词适用于简单主体，但无法发挥模型的优势。过长的提示词容易产生相互矛盾的指令。专注于描述的质量，而非字数。

我可以使用和 Midjourney 相同的提示词吗？

可以，但将标签式提示词转换为完整句子会获得更好的效果。Midjourney 擅长处理关键词列表；Nano Banana 2 更喜欢对同一场景的自然语言描述。

如何在多张图片中保持角色面孔一致？

每次都以完全相同的方式描述角色外貌：相同的年龄、发型、肤色和显著特征。使用相同的光线和镜头描述。为获得最佳效果，使用图生图模式并配合该角色的参考图像。

Nano Banana 2 支持哪些宽高比？

Nano Banana 2 支持：1:1、16:9、9:16、4:3、3:4、3:2 和 2:3。与 Nano Banana Pro 不同，它不支持21:9或8:1等超宽格式。

结语

Nano Banana 2 用描述性强、结构良好的提示词回报你以惊艳的效果。从标签式提示词转向句子式提示词是最大的调整——一旦掌握了这个技巧，你就能持续产出看起来专业且有意图的图像。

从上面的模板开始，根据你的需求进行调整，不要害怕反复迭代。在 PixMind 上使用免费试用积分体验 Nano Banana 2。