Hair loss in two-month-old babies may be a normal phenomenon caused by the shedding of fetal hair, or it may be caused by occipital baldness, seborrheic dermatitis and other diseases. 1. Hair loss: when a two-month-old baby has hair loss, it may be the normal metabolism of the baby’s fetal hair loss, usually the number of hair loss will not be too much, which is a normal physiological phenomenon. 2. Occipital baldness: there are many causes of occipital baldness, including insufficient calcium intake of the mother during pregnancy and friction between the head and pillow. The main symptoms of the affected children are sparse or no hair in the area in contact with the pillow, easy sweating, poor sleep, etc., as well as crying and convulsions at night. 3. Seborrheic dermatitis: The cause of seborrheic dermatitis is still unclear, and it is currently considered to be related to age, gender and other factors. Affected children will have more sebaceous gland secretion, scaling, itching, erythema and so on, which will lead to the phenomenon of hair loss in two-month-old babies. Hair loss in two-month-old babies may also have other causes, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, and then give targeted treatment or treatment under the guidance of the doctor.