Scalp boils in 7-month-old babies are mostly caused by Staphylococcus aureus infections, which can be treated by applying local topical ointment and oral antimicrobial drugs. 1. Topical ointment: mupirocin ointment, 3% iodine tincture, erythromycin ointment, 20% ichthyol ointment and so on. 2. Oral antibacterial drugs: such as roxithromycin granules, cefaclor granules, cefixime granules, amoxicillin granules and so on. The above drugs will appear different degrees of adverse reactions, such as skin allergic reactions, gastrointestinal discomfort, etc., in the use of these drugs, must be strictly in accordance with medical advice under the guidance of the doctor. In addition, pay more attention to baby hygiene and cleanliness.