The common causes of calf weakness in the morning are as follows: 1. It is likely to be caused by qi deficiency, you can choose dietary supplements to help alleviate the situation of qi deficiency, it is recommended to take red dates, angelica, wu chicken for conditioning. 2. Adults in the case of overwork may also cause calf weakness, do not need much treatment, just stay in bed to recuperate. This is because the blood circulation in the calves slows down after the legs get cold, which may eventually lead to weakness. 4, if long-term malnutrition may also cause weakness in the calves in the morning, so daily life must pay attention to the dietary balance and avoid malnutrition. 5, calf weakness may also be caused by hypokalemia, you need to go to the hospital to check the blood to clarify whether there is hypokalemia, usually pay attention to eat more food containing potassium elements, such as bananas, oranges.