Small red spots on the scalp, common causes of folliculitis, seborrheic dermatitis, contact dermatitis, etc., the treatment of different diseases is different, should be given by the doctor to clarify the cause of the targeted treatment, mainly drug therapy. 1. Folliculitis: mainly caused by bacteria and other pathogens infected hair follicles. The use of mupirocin ointment, fusidic acid cream and other drugs can be prescribed by the doctor, and severe cases can be given antibiotics such as cefuroxime orally. 2. Seborrheic dermatitis: scalp seborrheic dermatitis can also appear red spots, erythema, accompanied by flaking, itching. Patients can choose selenium disulfide lotion, ketoconazole lotion and other shampoo as prescribed by the doctor, and oral antihistamine drugs such as loratadine. At the same time should adjust the living and dietary habits, to ensure adequate sleep. 3. Contact dermatitis: such as hair coloring, perming and other causes of scalp allergies, can also appear small red spots. You can follow the doctor’s instructions to take oral cetirizine, ebastine and other antihistamines, local application of hydrocortisone butyrate cream, tacrolimus ointment and so on. The appearance of small red spots on the scalp should be judged by a dermatologist and treated accordingly, not self-medication.