Pustules on the genitals are mostly considered to be caused by infections such as folliculitis, glansitis, phimosis and genital herpes. 1. Folliculitis: mostly occurs in the root of the penis, can cause sebaceous gland infection and lead to cysts, the affected area can appear red, swollen and painful phenomenon. 2. glansitis: it is an inflammation of the glans caused by many reasons, pustules can be seen at the glans accompanied by erythema, redness, swelling, pain, and even foul-smelling secretions. 3. Circumcision: mostly caused by long foreskin, not paying attention to hygiene, etc., the patient’s genitals may appear localized pustules, accompanied by itching, redness, rash and other symptoms at the foreskin. 4. Genital herpes: after infection with herpes virus, pustules may appear at the mucosal junction, and at the same time, local pain, rupture, erosion and other symptoms may appear. It is not excluded that the symptoms of genital pustules are caused by other reasons besides the above factors, so patients should keep their private hygiene, consult the doctor in time after the appearance of the above symptoms, and treat them actively to avoid delaying the condition.