The appearance of a red patch on both sides of the baby’s cheeks may be related to eczema, hives, high ambient temperature, fever, etc., requiring anti-allergy treatment, lowering of indoor temperature, or antipyretic treatment, depending on the condition. 1. Eczema and hives are usually caused by allergies, and are more common when the child is allergic, such as allergies to the external environment, chemicals, certain foods, etc. Eczema and hives are prone to occur. Treatment is based on anti-allergy, which can be treated with medications such as cetirizine hydrochloride, and desensitization for severe cases. In severe cases, desensitization can be carried out. Repeaters also need to be checked for allergens, and elimination of allergens is also a requirement for treatment. 2. If the clothing is too thick or the humidity and temperature of the room is too high, it can also cause a red patch on both sides of the baby’s cheeks. Avoid sweating, don’t wear too much clothing, and don’t let the humidity and temperature be too high. 3. If your baby’s cheeks are red and your body temperature rises, you can measure your body temperature to see if you have a fever. Fever can be appropriate rest, drink more water, light diet, such as armpit temperature over 38.5 degrees Celsius, can follow the doctor’s advice oral ibuprofen, acetaminophen and other antipyretic drugs. If the fever persists, it is necessary to consult a doctor immediately to clarify the cause of the fever and treat the primary disease. The above medications should be used in accordance with medical advice. If there is no significant improvement in the redness on both sides of the baby’s cheeks, it is recommended to go to the hospital in time for treatment under the guidance of a doctor.