Psoriasis and cutaneous pruritus are commonly seen in the dermatology department. Psoriasis affects people's appearance and causes patients significant physical and mental harm. Due to its lingering course, it is referred to as a ""non-fatal-survivable cancer."" However, the complex etiological factors of cutaneous pruritus make it difficult to treat. The antipruritic therapies used in biomedicine are able to achieve good curative effects but come with various side effects. On the other hand, Chinese medicine is obviously effective and can both relieve and control pathological conditions by classifying them according to the complete system of pattern differentiation, and applying effective treatments according to the different clinical manifestations.