Two-month-old babies scratching their ears may be related to the high environmental temperature, or it may be caused by eczema of the ear, vitamin D deficiency rickets and other reasons. 1. High ambient temperature: If the child is in an environment with too high a temperature, or if the parents put on too much clothing for the child, causing the child to sweat a lot on the head, and the stimulation of sweat makes the child feel uncomfortable, he or she may show scratching of the ears and cheeks. 2. Ear eczema: If the child is in a hot and humid environment for a long time, or is allergic to milk protein, it is likely to induce eczema, especially in the head, face, ears, neck mainly, when the ear eczema, due to the itching of the skin in the affected area, there may be scratching the ears and cheeks of the phenomenon, but also can be accompanied by localized skin pimples, pimples and other symptoms. 3. Vitamin D deficiency rickets: two-month-old babies if the body is seriously deficient in vitamin D, it is likely to induce vitamin D deficiency rickets, resulting in increased neural excitability, resulting in more sweating in the head, due to sweat stimulation resulting in scalp itching, there may be scratching the ears and cheeks, but also can be accompanied by easy to wake up during sleep, crying and other symptoms. Two months baby scratching, may also be caused by other reasons, if accompanied by obvious discomfort, it is recommended to seek medical attention as soon as possible, after a clear diagnosis of the cause, by the doctor’s guidance for treatment.