The recurrence of pustular psoriasis may be related to the factors of infection, excessive mental stress and lack of active medication, etc. Then in order to avoid the recurrence of pustular psoriasis, patients should try to avoid the above factors. 1. Infectious factors: if patients often have pharyngitis, colds and other infections of the upper respiratory tract, it may induce the recurrence of pustular psoriasis. 2. Excessive mental stress: if patients have too much mental stress for a long time and often stay up late at night, it may lead to a decline in the body’s resistance, thus inducing the recurrence of the disease, so the patients should adjust the intensity of study and work appropriately. 3. No active medication: patients in the initial control of skin lesions or subside, did not actively use drugs to maintain, will also lead to recurrence of the disease. Therefore, when the patient’s symptoms improve, he should continue to use drugs to maintain the treatment. For patients with pustular psoriasis, it is recommended to go to regular hospitals for examination in a timely manner and use medication under the guidance of professional doctors.