Propolis liquid can be used to treat psoriasis. It is a skin disease that is difficult to treat and easily recurs. The symptoms of psoriasis are mainly homogeneous changes in the epidermis and dermis of the skin, and there are obvious obstacles to microcirculation. It can be applied directly to the ulcer to relieve pain and form a sealing film on the ulcer so that it is not easily swallowed by saliva. 3. The propolis liquid can be taken with warm water together with cold and flu, which can reduce the effect of headache and dizziness.