Objective To evaluate the treatment effect of vide scientific basis for clinical application of QSLG. Methods QingSeLing Granu (QSLG) on chloasma and to pro- 150 cases with chloasma were divided randomly into the test group treated with QSLG and the control group treated with BXD and the control group treated with Vitamine E and Vitamine C. The survey was conducted on clinical effect after a period of therapy, and the patients were followed up for one year. Results QSLG had a good clinical curative effect on chloasma, and its clinical effect ...