The treatment methods for leg numbness caused by lumbar disc herniation include traction, dehydration, and eating nerve-nourishing drugs and Chinese herbs that benefit qi and blood, etc., as follows: First, traction: the leg numbness can be relieved by increasing the gap of the intervertebral foramen through lumbar traction and releasing the compression on the nerve roots. Second, dehydration: apply dehydrating agents, such as horse chestnut seed extract tablets, sodium heptaoside, etc., to eliminate the edema of the nerve root through dehydration and release the compression of the nerve root, so as to relieve leg numbness. Third, eat nerve-nourishing drugs: commonly used like neurotoxin, methylcobalamin, vitamin B1, adenosylcobalamin, etc. Fourth, eat herbs that benefit qi and invigorate blood: Chinese medicine believes that hemp is qi deficiency, wood is damp phlegm dead blood, so it can be treated with drugs that nourish qi and invigorate blood, such as party ginseng, astragalus, angelica, Chuanxiong, safflower, peach kernel, etc.