1. There are only two kinds of Vernonia anthelmintica products approved for production in China, namely, National Medicine Zhunzi Z263652 Vernonia anthelmintica Injection produced by Anhui Golden Sun Biochemical Pharmaceutical Co., Ltd. and National Medicine Zhunzi Z65218 Compound Vernonia anthelmintica Pill produced by Kashi Kunlun Uygur Pharmaceutical Co., Ltd. 2. Except that all the products produced by the above enterprises are fake medicines, there is no such medicine as "Compound Vernonia Pill" in China. 3. This product has a certain therapeutic effect on vitiligo in the legal sense. 4. Any drug varies from person to person, and the drugs selected are different according to personal physique and symptoms. 5. Drugs advocate scientific and effective, and the effective rate has nothing to do with the cure rate. As long as the prevention, diagnosis and treatment of diseases are effective, they can generally pass clinical trials, and few diseases can be cured by using drugs.