Red bumps on the scalp and dandruff may be caused by scalp folliculitis, tinea capitis and other diseases, which can be improved by general treatment and medication. 1. Scalp folliculitis: red bumps on the scalp and dandruff are considered to be scalp folliculitis, patients should pay attention to diet and eat less spicy and stimulating food. For bacterial infection of scalp folliculitis, you can use fusidic acid, mupirocin and other antibiotic drugs; if it is caused by fungal infection, you can use terbinafine, ketoconazole and other antifungal drugs. 2. Tinea capitis: Tinea capitis may also cause red bumps on the scalp and dandruff, patients can cut the hair on the affected area and avoid scratching the affected area. You can take oral terbinafine, itraconazole and other antifungal drugs, which have antibacterial and antiseptic effects. If there are red bumps on the scalp and dandruff, it is recommended to go to a regular hospital for examination and treatment under the guidance of a doctor.