🍌 Nano Banana Prompt Guide

高質量文生圖提示詞寫作指南

Nano Banana 系列模型以鮮明的色彩表達力、柔滑的材質細節、極強的角色刻畫能力、可控的構圖而著稱。為了幫助你穩定輸出它最擅長的風格，這份 Prompt Guide 提供結構化寫法、技巧、模版與反向提示詞參考。

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1. Nano Banana 的風格特點

理解模型特性

Nano Banana 的圖像生成具有以下共性：

  • 偏強烈光影：高對比度、明顯的光源方向
  • 銳利邊緣 + 柔和材質：皮膚光滑、物體邊緣乾淨
  • 自然飽和色彩：色彩豐富但不過度爆炸
  • 精準的構圖理解：景深、三分構圖、主體突出
  • 對"可愛風、時尚風、寫實動漫風"尤為擅長
  • 對幻想類、生物、科技場景也有高表現力

了解這些特點有助於你寫出最優提示詞。

Nano Banana 風格特點示例
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2. Prompt 的標準結構

專業的 Nano Banana Prompt 建議按以下順序寫：

[主體] + [外貌/屬性] + [動作/姿勢] +
[場景環境] + [光影] + [風格] + [細節補充] +
[相機參數（可選）] + [渲染風格（可選）]

例如：

a young girl with silver hair, soft glowing eyes, wearing a futuristic jacket,
standing beside neon-lit vending machines on a rainy street,
cinematic lighting, reflective puddles, shallow depth of field,
ultra-detailed, soft rim light, crisp outlines, nano banana style
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3. 各模組寫法詳解

① 主體（Subject）

越清晰越好：

  • "a girl"
  • "a neon samurai"
  • "a floating jellyfish robot"
  • "an ancient wooden house"

② 外貌 / 屬性（Appearance）

多用"2~5"個關鍵詞即可：

  • "silver hair, short bob"
  • "blue glowing circuits on the face"
  • "thick watercolor texture"
  • "soft pastel skin tone"

③ 姿勢 / 動作（Pose / Action）

  • "looking back over the shoulder"
  • "walking through snow"
  • "holding a lantern"
  • "floating gently in the air"

④ 場景環境（Environment）

  • "neon city alley with rain"
  • "underwater temple ruins"
  • "sunset beach with long shadows"
  • "lush forest with floating particles"

⑤ 光影（Lighting）

Nano Banana 的重點：

  • "cinematic lighting"
  • "warm rim light"
  • "global illumination"
  • "volumetric fog + god rays"
  • "overcast soft light"

⑥ 風格（Style）

  • "anime realism"
  • "soft 3D-rendered look"
  • "Studio Ghibli inspired"
  • "oil painting with clean outline"
  • "high-polish CG illustration"

⑦ 細節強化（Detailing）

  • "ultra-sharp details"
  • "fine texture"
  • "glossy reflections"
  • "subsurface scattering skin"
  • "perfect composition"
各模組示例
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4. 反向提示詞（Negative Prompt）

讓 Nano Banana 輸出更乾淨：

blurry, low quality, distorted face, bad hands, extra limbs, noisy background, pixelated, 
overexposed, underexposed, dull colors, messy composition, watermark, text, logo

更專業版：

bad anatomy, unnatural proportions, blurry edges, grain, jpeg artifacts, 
poor lighting, flat colors, duplicated features, malformed hands, cropped head
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5. Nano Banana 專用 Prompt 模版

📌 模版 A：清晰寫實動漫風（最推薦）

[character description], expressive eyes, soft glowing skin,
standing in [environment], cinematic lighting, clean outlines,
nano banana style, high detail, realistic textures, shallow depth of field,
soft rim light, particles floating, ultra clear focus

📌 模版 B：賽博科幻風

cyberpunk [subject] with neon reflections, glowing circuits,
rain-soaked streets, volumetric fog, high contrast lighting,
detailed metal textures, nano banana style, hyper-detailed

📌 模版 C：可愛治癒風

cute [character], round shapes, pastel palette, soft lighting,
warm atmosphere, simple background, gentle textures,
nano banana soft style

📌 模版 D：奇幻史詩風

epic fantasy [character], flowing cloak, mystical particles,
ancient ruins in the background, dramatic backlight,
nano banana painterly style, intricate details
模版示例
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6. 高級技巧（專業用戶必看）

① 用 "關鍵形容詞 + 穩定結構" 組合

例如：

  • "glossy + cinematic"
  • "soft + high detail"
  • "neon + wet reflections"
  • "pastel + smooth shading"

② 控制構圖

Nano Banana 對構圖詞很敏感：

  • "close-up portrait"
  • "full body shot"
  • "wide angle view"
  • "from below / from above"

③ 控制相機風格（可選）

shot on 35mm
f/1.4
bokeh background
telephoto compression
8k raw photo

④ 加入色彩控制

提升整體氛圍：

  • "warm orange-blue contrast"
  • "cool foggy palette"
  • "neon pink highlights"
  • "golden hour sunlight"
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7. 完整範例（可直接使用）

範例 1：治癒風動漫肖像

a cute girl with soft brown hair and gentle eyes, wearing a white scarf,
standing beside autumn trees with warm sunlight,
soft cinematic lighting, pastel color palette,
nano banana style, smooth skin texture, clear outlines,
particles floating in the air
範例 1：治癒風動漫肖像

範例 2：賽博朋克角色

cyberpunk samurai with glowing neon armor, blue and pink reflections on metal,
standing in a rainy futuristic street, fog and holograms everywhere,
dramatic lighting, sharp outlines, nano banana hyper-detail style,
wet reflections on the ground, high contrast composition
範例 2：賽博朋克角色

範例 3：寫實奇幻場景

an elven mage holding a glowing staff, cloak fluttering,
ancient stone ruins behind, volumetric god rays,
epic cinematic lighting, nano banana painterly detail,
fine textures, deep atmosphere
範例 3：寫實奇幻場景
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結語：如何寫好 Nano Banana Prompt？

記住 3 個原則：

  1. 主體清晰
  2. 光影與環境越具體越好
  3. 風格詞不要亂堆，要組合得乾淨