The author has gone deep into Baima Snow Mountain to photograph the Yunnan snub-nosed monkey in recent years, and has taken nearly 20,000 precious photos of the Yunnan snub-nosed monkey. Red Lips in the Secret Land (Photography Collection of Dian snub-nosed monkey Li Fuhui in China) (Chinese-English bilingual) intends to select more than 200 exquisite photos from the perspectives of the Dian snub-nosed monkeys physiological characteristics, living habits, family relationship, and population relationship. The mysterious species of the Yunnan snub-nosed monkey also tells about the countrys research and protection of the endangered species of the Yunnan snub-nosed monkey.