Many small bumps on the chin may be caused by acne, folliculitis, eczema, etc. They can be relieved by paying attention to cleanliness, improving lifestyle habits and medication. 1. Acne: If the blockage of hair follicle pores, excessive oil secretion and other factors may lead to acne, there will be many small bumps on the chin, you can use medication such as retinoic acid cream and adapalene gel under the guidance of the doctor. You should pay attention to cleanliness, you can use warm water, facial cleanser and so on to wash, keep the skin of the chin area dry. 2. Folliculitis: many small bumps on the chin may be due to bacterial infection caused by folliculitis, you can use mupirocin ointment or fusidic acid cream and other drugs, the use of drugs should be carried out under the guidance of a doctor. 3. Eczema: Many small bumps on the chin may be caused by eczema, food, unsuitable living environment and so on may trigger eczema, usually medication, such as the use of Denuded ointment, boric acid zinc oxide ointment and other drugs under the guidance of a doctor. If there is no improvement in the long term, it is recommended to go to the hospital for treatment. The medication should be used according to the doctor’s instructions.