Yang Huanwen, professor, doctoral supervisor, Yunnan famous teachers of colleges and universities, Yunnan famous teachers of special support plan for high-level talents and Yunnan excellent teachers have been engaged in tobacco teaching and scientific research for more than 30 years. Presided over 3 national quality engineering projects and 8 provincial quality engineering projects, and won the first prize twice and the second prize once for excellent teaching achievements of Yunnan Provincial People's government. He has successively presided over more than 30 science and technology projects of major special projects of the state tobacco monopoly administration, Yunnan tobacco company, Yunnan China Tobacco Industry Co., Ltd., Hongta Group, Hongyun Honghe Group and tobacco enterprises outside the province, and won the science and technology progress award of Yunnan provincial government twice. He has published more than 60 academic papers, 2 treatises and 4 textbooks for the chief editor and deputy chief editor.