Red bumps at pubic hair may be related to diseases such as folliculitis, scabies or jock itch, which are treated by topical medication or systemic medication and attention to local hygiene. 1. Folliculitis: pay attention to local cleanliness and hygiene, wear loose clothing, avoid heat, sweating and actively enhance the immune system; topical drugs choose ichthyol ointment or mupirocin ointment treatment. 2. Scabies: pay attention to personal hygiene, isolation and disinfection and boiling of clothing and bedding; external drugs mainly, the whole body coated with sulfur ointment or benzyl benzoate emulsion, the need for no change of clothes, do not take a bath in order to maintain the efficacy of the drug; vulva, scrotum and other parts of the emergence of scabies nodules difficult to subside, glucocorticosteroid treatment can be applied; external drugs are ineffective oral ivermectin treatment. 3. Ringworm: wear loose breathable underwear, pay attention to personal hygiene, keep the local clean and dry, do not share bath tubs, towels and other utensils; can be treated with topical antifungal drugs such as ketoconazole preparations; can also be taken orally terbinafine or itraconazole and combined with topical medications to increase the effectiveness of treatment. The red bumps appear at the pubic hair, should consult a doctor in time to clarify the cause of the disease, and follow the doctor’s instructions to standardize the use of medication.