Herpes zoster may recur in the presence of bad living habits, low resistance and malnutrition. 1. Bad living habits: prolonged staying up late and overworking may affect the body and make the resistance of the organism decrease, thus leading to the recurrence of shingles. 2. Low resistance: If one’s resistance is low, such as acquired immunodeficiency syndrome or long-term use of immunosuppressants, it may also cause shingles to recur easily. 3. Malnutrition: when picking food for a long time, partiality or digestion and absorption dysfunction, it will lead to their own malnutrition, affecting the body’s immune function, so that herpes zoster recurrence. The recurrence of shingles may also be caused by other reasons, it is recommended that patients go to the hospital in a timely manner, after the cause of the disease is clear in the doctor’s guidance for early standardized treatment.