一九七二年起,我们在省卫生局领导下,成立了由16个医疗卫生单位和5个制药厂参加的泡桐果、花治疗慢性气管炎协作组。三年来共治疗病人2209例,取得了较好的疗效。在实践中,由水煎剂改为片剂,由单味用药改为复方,使临床疗效逐步提高。同时对泡桐果、泡桐花的药理、植物化学等 Since 1972, under the leadership of the provincial health bureau, we have set up a paulownia fruit tree with 16 medical units and 5 pharmaceutical plants for the treatment of chronic bronchitis. In the past three years, a total of 2209 patients were treated, and achieved good results. In practice, from decoction to tablet, from a single drug to compound, so that clinical efficacy gradually increased. At the same time on Paulownia, Paulownia flower pharmacology, phytochemistry and so on