Pustules on the head may be caused by the following diseases: 1, the most common is folliculitis, which is caused by local bacterial infection of the hair follicles, it is manifested by local follicular abscesses, papules, and can be accompanied by pain around the pustules, the appearance of this situation can choose to apply topical drugs, the serious condition can choose to take oral antibiotics symptomatic treatment; 2, pustules on the head is considered to be impetigo, this The condition is caused by fungal infection and is manifested by scattered pustules on the scalp, accompanied by hair loss. You can use topical antifungal medication or choose oral antifungal medication for this type of condition, but it must be applied under the guidance of a doctor; 3. Pustules on the scalp may be pustular psoriasis, which is a special type of psoriasis, manifesting as scattered corn and green bean-sized sterile pustules on the trunk, extremities and scalp.