The Science and Technology Bureau of Zibo City organized experts to hold a scientific research achievement appraisal meeting of "Clinical Research on the Treatment of Recurrent Oral Ulcers with Traditional Chinese Medicine Yukuai Powder" in the third-floor meeting room of our office building. After examination and argumentation by the experts, it was unanimously believed that the research of this scientific research project has reached the leading level in China, and agreed to pass the provincial appraisal. This scientific research project was developed by six comrades including Director Zhou Jinglan of the Department of Stomatology. Zibo First Hospital; This article is from the First Hospital of Zibo City: http://www.zbfirsthosp.com/