After two months of total knee replacement, it is considered to be caused by cold, lack of calcium, nerve compression, etc. The main treatment is medication and enhanced nursing care. 1. Cold: If you don’t pay attention to keep warm, it will lead to blood circulation obstacle in the calf area, and then muscle tension will cause cramps, and the symptoms will be relieved after paying attention to keep warm. 2. Calcium deficiency: Calcium ions can stabilize the nerve cells, calcium flow will lead to abnormal neuromuscular excitation, resulting in cramps, it is recommended to eat more calcium-containing foods, such as milk, soybean products, and so on, and if necessary, you can choose to supplement the calcium of the medication, such as calcium carbonate, calcium lactate, and so on. 3. Nerve compression: total knee replacement surgery is a relatively large operation, after the operation, the surrounding tissues will have edema, which will cause cramps on the nerves, it is recommended to elevate the affected limb when sleeping, and follow the doctor’s instructions to carry out rehabilitation exercises. After two months of total knee replacement, if you still have cramps in your legs, you can communicate with your doctor in time, deal with it according to the specific situation, and actively carry on the rehabilitation treatment, and if you need to use medication, you should strictly follow the doctor’s instructions.