I. General treatment

1. Smoking is forbidden, and the affected limb should be kept warm.

2.Buerger exercise can promote the establishment and compensation of collateral circulation. The method is: the affected limb lies flat. First, raise the affected limb above 45 degrees 1-2 minutes, then droop at the bedside for 2-3 minutes, then lie flat for 2 minutes, and do foot rotation and extension activities 10 times each. Repeat this exercise 5- 10 times in each group, several times a day.

3. Drug therapy of cilostazol:100 mg bid; Sarpogrelate hydrochloride: 100mg, three times a day; Alprostadil (prostaglandin E 1): 10-20? g iv qd。

4. Apply analgesic drugs for symptomatic treatment to relieve pain.

5. Hyperbaric oxygen therapy can increase tissue oxygen diffusion and increase oxygen reserve through hyperbaric oxygen chamber treatment, thus improving tissue hypoxia.

6. Traditional Chinese Medicine Treatment According to the principle of syndrome differentiation and treatment of traditional Chinese medicine, the application of traditional Chinese medicine treatment also has certain curative effect.

Second, surgical treatment.

Balloon angioplasty of lower extremity artery, arterial bypass grafting, arterialization of vein, omentum transplantation, lumbar sympathectomy, amputation.