Right leg muscle atrophy, first of all, we should actively improve the examination to clarify the cause of the disease, and then carry out the corresponding treatment, the main causes are plaster fixation, muscle disease, nerve compression and the resulting muscle atrophy, the treatment methods are as follows: 1. Plaster fixation: for the right leg muscle atrophy caused by long time inactivity after plaster fixation, it can be recovered by actively carrying out limb rehabilitation and functional exercise after the fracture is healed and the plaster is removed. 2. Muscle disease: muscle inflammatory disease, myasthenia gravis can lead to muscle atrophy of the right lower limb, which needs hormone treatment such as dexamethasone, immune agents such as cyclophosphamide, and nutritive nerve drugs such as methylcobalamin. 3. Nerve compression: For diseases that can cause nerve compression, such as lumbar disc herniation, cervical spondylosis, etc., because of the compression of spinal nerves and sciatic nerves, it is necessary to take active nutritional nerve medication, such as methylcobalamin, etc., and in severe cases, it is necessary to have surgical treatment. Comprehensive rehabilitation can be functional exercise. There are many other ways to treat right leg muscular atrophy, such as surgery if necessary, etc. It is recommended to consult a doctor in time to identify the cause of the disease and then carry out targeted treatment. In addition, the above drugs should be used under the guidance of a doctor and should not be taken without authorization.