Myocardial ischemia may cause numbness in the hands and feet. Myocardial ischemia is a condition caused by narrowing of the coronary arteries and insufficient blood and oxygen supply to the myocardium, which causes pain in the precordial area at the onset of the disease. In addition to the typical symptoms, there may be other symptoms, such as numbness of the hands and feet, may be due to angina attacks produced by the radiating pain, when the radiation to the arms or feet, easy to cause numbness, pain in the hands and feet. However, numbness of the hands and feet may also be caused by other reasons, such as cervical spondylosis, peripheral nerve damage, long-term compression, etc., it is recommended to go to the hospital in a timely manner, cooperate with the doctor to do the relevant examinations to identify the cause of the targeted treatment or therapy.