In clinical practice, the specific causes of weakness are as follows: 1. weakness caused by cold and fever, in addition to physical listlessness and weakness of the limbs, there are also symptoms such as coughing, coughing, nasal congestion and runny nose. 2. weakness caused by chronic diseases, such as hypokalemia or diabetes, diabetic nephropathy and chronic renal insufficiency, anemia or hypothyroidism, may lead to weakness. 3. The first is that the person who is not a member of the team is a member of the team. Therefore, through the above analysis, there are many causes of weakness, in the clinic should be based on the specific situation for detailed examination, under the diagnosis of the physician to use drugs, can achieve better results.