The ears may be particularly cold because of the stimulation of cold air and the structure of the ears themselves, as follows: 1. Stimulation of cold air: the ears are a structure that protrudes from the body and is far from the heart, so the blood flow on the surface of the ears is not very rich. There is very little fat tissue on the surface of the ear, and the skin and cartilage of the ear are close together. This structure determines that once the ear is locally stimulated by cold air, the sensitivity to cold temperature is very high, so the ear is sometimes afraid of cold. Clinically, attention should be paid to avoid ear frostbite, especially when the temperature drops you can wear ear muffs appropriately, massage the ears with your hands frequently to promote blood circulation in the ears, and patients should eat hot food or drink warm water appropriately to promote blood circulation throughout the body, including the ears.