Pimples on the head generally refer to acne, which can be improved or removed through general treatment, medication, phototherapy, and complementary therapies. 1. General treatment: Choose water or suitable cleansing products to remove excess oil on the skin surface, pay attention to water control and moisturizing, eat a light diet, and do not stay up late. 2. Medication: Common topical medications include retinoic acid cream, erythromycin cream, selenium disulfide, etc. If the symptoms are more serious, tetracycline antibiotics and oral isotretinoin can also be used. 3. Phototherapy: For mild or moderate acne, LED blue light or red light can be used. For more severe acne and scarring, photodynamic therapy, intense pulsed light and fractional laser therapy can also be chosen. 4. Auxiliary treatment: acne squeezer, chemical peeling therapy, etc. can also be used as appropriate. Patients with acne on the head are advised to go to the hospital and standardize the treatment under the guidance of the doctor. All of the above drugs need to be used under the guidance of a doctor.