RESUMEN
Objecfive To investigate the curative effect of Yunpi Zhengye decoction in the treatment of chronic functional constipation due to deficiency of both Qi and Yin.Methods 87 cases in line with the diagnostic criteria of functional constipation were randomly divided into a treatment group(46 cases)and a control group(41 cases).The treatment group was treated with Yunpi Zhengye decoction and the control group was treated with Maren Pills for a therapeutic course of 15 days.Results The cure rate,excellent cure rate and total effective rate in the treatment group Was 71.7%,23.9% and 97.8% respectively,and in the control group was 14.6%,14.6% and 87.8% respectively.The effective rate in the treatment group Was significant better than the control group(P＜0.05).Conclusion Yunpi Zhengye decoction has good result in treeing chronic functional constipation due to deficiency of both Qi and Yin.