Recently, sore hands and feet may be caused by strenuous exercise, brain abnormalities, polymyositis and other reasons. 1. Strenuous exercise: due to long-term strenuous exercise, such as running, jumping drill, etc., the hands and feet can appear chronic strain or lactic acid accumulation, caused by the soreness of the symptoms, most of which will be alleviated after rest. 2. Brain abnormalities: cerebral ischemia, hypoxic diseases or nocturnal episodes of apnea syndrome can cause cerebral hypoxia and sleep disorders, which can cause the symptoms of soreness in hands and feet. 3. Polymyositis: It is a group of widespread inflammatory lesions of skeletal muscles caused by a variety of etiologic factors, which may be due to genetics, viral infections and other causes. Due to the stimulation of inflammation, patients can also appear in the phenomenon of sore hands and feet. It is recommended that if you have sore hands and feet recently and do not get relief after resting, go to the hospital in time and follow the doctor’s instructions for treatment to avoid delaying your condition.