The causes of cold hands and feet of children include: cold environment, fever, temperature rise, and so on. 1. Cold environment: the blood supply of the limbs is less than the visceral parts, when the environmental temperature is too low, the hands and feet are exposed to the environment, will be manifested as cold hands and feet, which is a normal physiological phenomenon, parents can touch the back of the child to assess whether the clothing is appropriate, if the back of the back of the warm clothing, if the back of the back of the cooler need to increase the clothing appropriately. 2. Fever: fever has three stages: temperature rise, high temperature persistence, and temperature drop. During the temperature rise, the body’s limbs and skin vasoconstriction reduces heat dissipation, which will be manifested as cold hands and feet, cold skin, and even chills, and this time, you need to increase the child’s clothing appropriately, and drink hot water to improve the discomfort. Children with cold hands and feet may also have other causes, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.