Because Hua Hong Pharmaceutical has stopped cooperating with Xiaohei Ointment. There are some problems in the operation of WeChat business, such as exaggerating the effect of products and misleading consumers. It is claimed that "Black Ointment" and "Ms. Xuelian Sticker" contain a variety of pharmaceutical ingredients and can treat a variety of diseases. Therefore, Hua Hong Pharmaceutical will not cooperate with WeChat business. There will be no brand bonus of little black cream.