Big Tree chief editor Chang Huei-fen states that Big Tree's priorities are very clear: to serve as a bridge between people and nature. From project planning, to finding writers, to research and taking photographs, to layout and editing, it can take more than one year to complete a book.
大樹出版社總編輯張蕙芬表示，「大樹」的訴求很清楚──作為人與自然的橋樑，是讀者走向戶外的自然圖鑑，因此從企劃主題、尋找作者、實地拍攝採訪、繪圖編輯，製作一本書的時間長達一年以上。