Treatment of psoriasis vulgaris: 3 1 1 Patients were divided into treatment group (159 cases, 92 males and 67 females); Age 16-58 years, with an average of 31.3 3.8 years; The course of disease ranged from 65438 0 weeks to 65438 07 years with an average of 6.4 65438 0.9 years. Control group 152 cases, male 8l cases, female 7/kloc-0 cases, the general situation is similar to the treatment group. The treatment group was given compound indigo pills, while the control group was given ethionamine, once 1 tablet, three times a day, and all of them were taken 1 month for 1 course; After 3 courses of treatment, the short-term curative effect was evaluated. Results: In the treatment group, 40 cases were cured, 24 cases were improved and 4 cases were ineffective. 19 cases were cured, 55 cases were improved and 7 cases were ineffective. The total effective rate was 86.8%. In the control group, 38 cases were cured, improved 1 1 case, and 4 cases were ineffective. At rest, 22 cases were cured, 65 cases were improved, and 2 cases were ineffective/kloc-0. The total effective rate was 89.5%. Short-term curative effect analysis: The two groups of effective cases began to improve after 1- 1.5 weeks, and the curative effect was remarkable after 1 month. The curative effect of the two groups in the advanced stage is better than that in the quiescent stage (X2=57.56, P < 0.0 1), but there is no significant difference between the two groups (X2=0.58, P & gt0.05), indicating that the short-term curative effect is similar. Long-term curative effect analysis: the short-term curative effect of the two groups was compared; Two-year follow-up was conducted on the clinically cured 1 19 patients. Among 59 patients in the treatment group, 15 cases (25.4%) recurred, while 35 cases (58.3%) recurred in the control group, with a very significant difference (X2= 13.22, P