A 2-year-old child shivering for no reason is considered to be related to the cold, but may also be triggered by calcium deficiency, epilepsy and other factors. 1. Colds, colds, due to the thermoregulatory center is affected, the body temperature continues to rise, may lead to shivering, chills symptoms arise. 2. Calcium deficiency, if the body lacks calcium elements, may lead to children’s nervous system sexual excitability increased, so there will be no reason to shivering symptoms. 3. epilepsy, if epilepsy, seizures may lead to shivering symptoms, but also may produce convulsions, fainting and other symptoms. The 2-year-old child shivering for no reason, there may be other reasons, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.