Li Zhijun has visited numerous folk doctors, military doctors and renowned physicians across the country. After years of study and clinical practice, he has applied traditional Chinese medicine culture, techniques and herbal compatibility formulas with Chinese characteristics to the rehabilitation of chronic diseases including nasal problems, rheumatic pain, ear disorders and skin diseases. He has obtained two national invention patents: one is a traditional Chinese medicine using schefflera root for rhinitis treatment, and the other is a traditional Chinese medicine for allergic rhinitis. He also masters exclusive ultramicro molecular wall-breaking extraction technology and water-in-oil production technology. These technologies have been widely applied in the national nasal rehabilitation field with remarkable curative effects.