Eczema usually does not cause cold skin, eczema patients usually appear localized skin fever, redness, itching, pimples symptoms, so the patient’s cold skin may be caused by other reasons. The causes of cold skin in patients can be divided into physiological and pathological causes. 1. Physiological reasons: excessive consumption of cold food, no good warmth measures, personal physical differences, lack of exercise, etc. may lead to cold skin. 2. Pathological causes: some diseases may cause blood circulation disorders, resulting in cold skin, such as severe malnutrition, anemia, hypothyroidism and so on. There may be other reasons for cold skin, so it is recommended to go to the hospital in time, to identify the cause of the disease and then give targeted treatment or therapy.