Patients with pustules on the top of the head may be caused by acne, folliculitis, pustular psoriasis and other diseases. 1. Acne: Acne is a common chronic inflammatory disease of the sebaceous glands of the hair follicles, clinically manifested as pimples, papules, pustules, nodules and other polymorphic lesions, the patient pustules on the top of the head may be caused by acne. 2. Folliculitis: folliculitis is a common inflammatory skin disease of the hair follicles, common clinical manifestations of red papules around the hair follicles, pus, itching, pain and other symptoms, patients with pustules on the top of the head may be caused by folliculitis. 3. Pustular psoriasis: psoriasis is a kind of skin disease caused by the interaction of environment, heredity, immunity and other factors, and patients with pustules on the top of the head may be caused by pustular psoriasis. It is recommended that patients seek medical examination in time to clarify the cause of the disease and then carry out targeted treatment, maintain a good mood in life, regular work and rest, maintain personal hygiene, avoid scratching the affected area, etc., and at the same time do a good job of monitoring the condition, regular review.