Baby cheeks on both sides of the red and then a small bumps, there may be physiological factors, there may be pathological factors, such as allergies, eczema, etc., according to the cause of the targeted treatment, such as adjusting the clothing, to keep clean, etc., to avoid contact with allergens, anti-allergy treatment. 1. Physiological factors: when the baby cheeks on both sides of the red pimples, you need to observe whether the clothing is wearing too much, resulting in the body of physiological erythema, resulting in the growth of pimples, this time as long as the appropriate amount of clothing to reduce the amount of clothing, to keep the skin clean, the erythema will soon be good to subside. 2. Pathological factors: (1) Allergy: If the baby has contact with allergens, such as dust, pollen, etc., it may lead to allergy, or when breastfeeding, the mother consumes too much high-protein food, such as shrimp, crab, lamb, beef, etc., which may also lead to allergy in the baby. Generally, it is enough to stay away from the allergens or the mother to reduce the amount of high protein food. (2) eczema: eczema is associated with infection, impaired skin immune barrier function, genetics and other factors, mostly occurring in the facial area, accompanied by itching, ulceration and other symptoms of seriousness, need to be timely under the guidance of the doctor to carry out the medication, such as zinc oxide ointment, glycerol lotion and so on. Therefore, when the baby’s cheeks are red and then have small bumps, parents should take the baby to the hospital in a timely manner to carry out relevant examinations to determine the cause of the disease and then treat the symptoms. All of the above drugs should be used under the guidance of a doctor.