Arm pressure numbness, mainly the body or object squeeze arm parts, resulting in arm parts of the blood circulation and nerve, blood transport obstacles, thus causing nerve spasm, conductivity is weakened, it will cause the arm has obvious numbness. However, after the compression is lifted, the numbness will be gradually relieved. If the numbness still exists after the compression is lifted, it means that there is edema in the nerve area. In this case, hot compresses can be applied to promote local blood circulation, promote the subsidence of the nerve edema, thus relieving the symptoms of arm numbness. If necessary, you can also add the use of neurotrophic drugs, such as vitamin B1, vitamin B12, mircoprotection and other neurotrophic drugs, after oral to promote the recovery of numbness in the arm.