Anus lotion and preparation method thereof

The invention discloses anus lotion and a preparation method thereof. The anus lotion comprises a monarch drug, a minister drug and an assistant drug, the monarch drug comprises, by mass, 40-60 parts of gallnuts and 40-60 parts of sophora flavescens; the minister drug comprises, by mass, 20 parts of alums, 20 parts of mirabilite and 20 parts of borax; the assistant drug comprises, by mass, 20 parts of herba taxilli, 20 parts of herba schizonepetae, 20 parts of cortex phellodendri, 20 parts of bletilla striata and 20 parts of stemona. The anus lotion has the efficacy of clearing heat and detoxifying, eliminating dampness, stopping itching and bleeding, dispelling wind and eliminating dampness, and the anus lotion can mainly cure diseases such as haemorrhoids, rectocele, anal fistula, perianal eczema and perianal pruritus.