Small pellets on the chin may be acne, milia, common warts, etc. Different diseases have different causes and different treatments. 1. Acne: Mild acne often manifests itself as pimples, which can grow as small particles on the chin. Topical retinoids such as adapalene gel are often used; topical benzoyl peroxide gel can also be used. 2. Corns: commonly known as fat grains, the cause is unknown, often appear in the face of yellow-white solid small papules. Under aseptic operation, a needle can be used to break the papules and squeeze out the contents; laser treatment can also be used. 3. common warts: often caused by human papillomavirus infection, can appear in the local skin color rice grain to soybean grain size of the skin superfluous organisms. You can use topical retinoic acid cream, imiquimod, etc. You can also use physical therapy, such as cryotherapy, electrocautery treatment, laser treatment, etc.. Small chin particles may also be caused by other diseases, it is recommended that patients with small chin particles go to a regular hospital in time, after a clear diagnosis under the guidance of the doctor standardized treatment.