Open dissection of the ulnar median nerve and radial nerve in the right forearm usually results in motor impairment, sensory abnormalities and muscle atrophy. 1. Motor disorders: After open dissection of the ulnar median nerve and radial nerve in the right forearm, the right forearm and hand may not be able to move normally, and the fingers and wrist may appear to be drooping and unable to be straightened. 2. Sensory abnormalities: open dissection of the nerve may cause sensory abnormalities in the forearm, such as numbness of the skin and loss of sensation. 3. Muscle atrophy: after the nerve tissue is damaged, the corresponding muscle tissue will lose its nutrient supply, and then muscle atrophy will occur, and muscle tone will also gradually decrease. Right forearm ulnar nerve median nerve and radial nerve open dissection is more serious, need to consult a doctor in time to check, can be repaired through surgery to repair the damaged nerve tissue, and later to adhere to the functional exercise, help to improve the quality of life.