Common causes of lower limb insufficiency include trauma, lumbar disc herniation and cerebral infarction, etc. It is necessary to choose the treatment drugs according to the causes, including ibuprofen, clopidogrel bisulfate tablets and aspirin, etc. 1. Trauma: In addition to surgical treatment for lower limb insufficiency caused by trauma, analgesic and anti-inflammatory drugs such as ibuprofen can be taken. 2. Lumbar disc herniation: lumbar disc herniation compresses the nerves, which can cause numbness and pain in the lower limbs, and seriously lead to difficulty in walking, and generally require surgical treatment, if there is a contraindication to surgery, you may also need to take ibuprofen and other treatments to improve the pain symptoms. 3. Cerebral infarction: cerebral infarction can cause weakness of one side of the limb, walking difficulty or can not walk, recovery often take clopidogrel bisulfate tablets, aspirin, etc.. Lower limb insufficiency may also have other reasons, should be timely to the regular hospital consultation, by the doctor according to the specific cause, give the correct drug treatment.