The flakes on the body are considered to have the following possibilities: 1. Parapsoriasis: mainly belongs to a kind of erythematous scaling disease, the cause of which is unclear and may be related to immune disorders or genetic factors, etc. Treatment can be oral compound glycyrrhizin capsules, 3 times / day, 1 capsule / time. Topical Denide cream 1:1 mixed with zinc oxide ointment is applied for treatment, 2 times/day. 2. Neurodermatitis: large plaques with mossy changes can be seen on the buttocks, sacrococcygeal area and both elbows. Treatment can be applied halomethasone ointment, with centipede ointment, 2 times/day, and can be treated with oral levocetirizine hydrochloride granules, with moistening and antipruritic capsules.