Sudden weakness of the hands and feet may be cerebrovascular disease, hypoglycemic episodes, etc., as follows: 1. Cerebrovascular disease: If the weakness of the hands and feet is on one side, clinically it is considered to be cerebrovascular disease, the patient mostly has hypertension, diabetes and other risk factors for cerebral atherosclerosis, the patient can occur ischemic cerebrovascular disease, such as cerebral infarction or hemorrhagic disease cerebral hemorrhage, etc., which can lead to the weakness of the hands and feet on one side, and at the same time It can be accompanied by dizziness, headache, etc. It is recommended that patients immediately undergo head CT or MRI to confirm the diagnosis. 2. Hypoglycemia: Sudden weakness of the arms and legs, if it is a weakness of the limbs, clinically it can be considered a hypoglycemic attack, especially in diabetic patients, due to drug overdose or insulin overdose, as well as not eating normally, resulting in hypoglycemia. The sudden weakness of the hands and feet can be accompanied by panic, sweating, etc. 3, cervical and lumbar spine diseases: sudden weakness of the hands and feet can also be seen clinically in cervical and lumbar spine diseases, especially in patients with heavy osteoporosis and serious cervical and lumbar disc herniation due to improper posture, which can lead to compression of the dural sac and nerve roots, and in severe cases, spinal stenosis can occur, leading to weakness of the hands or feet, etc.