A lot of small rice-like bumps around the mouth may be due to acne, cornu rashes, herpes on the lips and mouth and other diseases, you can take general treatment, medication, physical therapy and other ways to improve. 1. Acne: A lot of small rice-like bumps around the mouth may be caused by acne, pay attention to personal hygiene, avoid staying up all night. Patients can follow the doctor’s instructions to apply benzoyl peroxide externally, which has the effect of dissolving acne. 2. Cornucopia: For cornucopia caused by a lot of small rice-like bumps around the mouth, daily need to keep the local skin dry and clean. Patients can follow the doctor’s instructions to apply retinoic acid cream, adapalene gel and other retinoic acid drugs treatment, with anti-inflammatory effect, but the drug has the risk of teratogenicity. Electrodesiccation can also be used, which destroys the diseased tissue by cauterizing it with a high-frequency power source. 3. Oral and lip herpes: If the oral and lip herpes caused by a lot of small rice-like bumps around the mouth, daily need to rest, light diet. Patients can follow the doctor’s instructions for external use of acyclovir ointment, penciclovir ointment and other drugs, with the inhibition of viral effects. There are many reasons why there are so many small rice-like bumps around the mouth, and it is recommended that the patient go to the hospital, and standardize the treatment after clarifying the cause of the disease.