The appearance of small rice grains on the chin may be due to acne, folliculitis, cornu rashes and other conditions, which need to be removed by conservative treatment, medication and physical therapy according to the cause. 1. If the area is not large, and there is no pain, swelling and other symptoms, consider that it is due to acne. You can relieve the symptoms by cleansing your face daily and paying attention to a light diet. If it still cannot be relieved, it can be applied with topical retinoids such as adapalene gel, benzoyl peroxide, azelaic acid, and so on. 2. If the area is wider and there are bumps, pain and other conditions, may be suffering from folliculitis. It is recommended to use antibiotic ointment such as mupirocin ointment, fusidic acid ointment, etc., and oral antibiotics such as roxithromycin, amoxicillin capsule, etc., if necessary, under the guidance of a doctor. 3. If the lesions are yellowish-white, firm papules with smooth surface and rounded tips, they are mostly considered as cornu rashes, which can be locally sterilized and then punctured through the epidermis with a needle, don’t take out the yellowish-white particles, and the physical methods such as laser ablation and electrodesiccation can be used as a treatment option. In daily life, you need to pay attention to facial hygiene, do a good job of dietary modification, and try to go to the place where there is a lot of oil and smoke. If the symptoms can not be relieved, it is recommended to go to the hospital in a timely manner, a clear diagnosis, symptomatic treatment, medication should be used in accordance with medical advice.