Psoriasis clinical cure is occasionally relapse, this situation is normal. Psoriasis is the common name for psoriasis, which is a chronic, intractable and highly recurrent immune skin disease with a certain degree of heredity, and is mainly manifested as red skin spots and plaques covered with silvery-white scales. Psoriasis cannot be cured, but treatment can effectively control the progression of the disease and alleviate the condition, i.e. “clinical cure”. After stopping treatment, almost all psoriasis patients will have a relapse of symptoms, especially in the fall and winter seasons, showing the characteristic of “heavy in winter and light in summer”. In daily life, some precautions can be taken to avoid relapse to a certain extent, such as avoiding colds, paying attention to skin protection, avoiding scratches or scrapes on the skin, avoiding too much pressure, venting bad emotions appropriately, doing some relaxing things to relieve the emotions such as taking a walk, and quitting smoking. After psoriasis is clinically cured, patients need to follow up in the hospital regularly and follow the doctor’s instructions for treatment.