Abstract: OBJECTIVE To investigate into the regulating effect of modified Qingying Decoction on the blood lipid and body fluid immunity of patients with vascular occlusive angiitis.METHOD Forty vascular occlusive angiitis patients were divided randomly into a treatment group of 20 patients and a control group of another 20 patients,and were treated with Qingying Decoction and Tongsaimai Tablet respectively.Changes in blood lipid,serum immune globulin and addiment were observed a month later.RESULT Modified Qingying Decoction could reduce the content of total cholesterol,triglyceride and IgG and increase the content of serum addiments C3 and C4.CONCLUSION Modified Qingying Decoction has regulating effect on the blood lipid and body fluid immunity of patients with vascular occlusive angiitis.