The invention relates to a skin rehabilitation liquid for external use. The liquid consists of the following raw materials: wheat seedling juice, white vinegar, essential balm, rifampicin, sodium chloride, white sugar, vitamin B2, vitamin B1, vitamin D, and purified water. The beneficial effects of the liquid are as follows: (1) the liquid is a compound liquid suitable for external use, can quickly stop itching, and can effectively kill pathogenic bacteria in anus and vagina, thereby reducing the recurrence frequency of anal itching, genital itching and odor; and (2) the liquid is easy to use,and unisex.