Children with cold hands and feet may be caused by low environmental temperature, anemia, fever and other reasons. 1. low environmental temperature: may be due to the child is located in the surrounding environment temperature is relatively low, and did not give the child in time to increase the clothing, resulting in children’s hands and feet for a long time by the cold air stimulation, thus causing cold hands and feet. 2. Anemia: most often seen in children with iron deficiency or lack of folic acid and other causes of anemia, often the body’s blood supply is insufficient, the blood supply of the hands and feet parts of the blood supply is reduced, vascular contraction, thus causing cold hands and feet. 3. Fever: there are many reasons for children to have fever, such as infectious diseases, blood system diseases, etc., which can cause stimulation of the capillaries in the body, leading to vasoconstriction, poor nerve blood circulation, thus causing cold hands and feet symptoms. Children with cold hands and feet may also be caused by other reasons, such as malnutrition, if the symptoms still exist after timely warmth, it is best to go to the hospital for examination.