Small bumps on both sides of the cheeks may be keratosis pilaris, sweat duct tumors, acne, etc., and you should consult a doctor in time to find out the cause of the disease. 1. Keratosis pilaris: mostly related to heredity, vitamin A deficiency can also be caused, manifested as many small bumps on both sides of the cheeks. 2. Sweat duct tumor: it is a benign swelling of the skin caused by the abnormal development of sweat ducts, which leads to the growth of small bumps on both sides of the cheeks. 3. Acne: Inflammatory reaction due to endocrine disorders, Propionibacterium acnes infection caused by blockage of hair follicles and sebaceous gland ducts. In addition to these factors, we can not rule out other causes, it is recommended that patients consult a doctor in time to clarify the cause of the disease, and follow the doctor’s instructions for standardized treatment.