Flat head of infants may be caused by physiological factors, improper sleeping position, vitamin D deficiency and other pathological factors, you can take general treatment, vitamin drops and other medication to improve. 1. Physiological factors: If the child is born normal, temporary flat head may appear due to vaginal extrusion, which will generally improve with time, without special treatment. 2. Sleep factors: when the child sleeps in one direction for a long time, the skull may be deformed due to the effect of gravity, resulting in flat head, you can try to let the child sleep on the left side, the right side, lying down in multiple sleeping positions in turn, which can improve the situation of flat head. 3. Vitamin D deficiency: when the child vitamin D deficiency caused by calcium absorption obstacles, the degree of hardening of the skeleton is impeded, easy to appear skull deformation flat head situation. Need to supplement vitamin D ₃, if necessary, can be supplemented with calcium gluconate to be treated. There are other causes of flat head in infants, so we recommend that you consult a doctor in time to complete the examination and treat the cause. The above medication should be used in accordance with the doctor’s prescription.