The invention discloses a Chinese and western medicine composition for treating bronchiectasis. The Chinese and western medicine composition for treating bronchiectasis comprises the following main raw materials in parts by weight: 5-11 parts of beta,beta-dimethylacrylshikonin, 23-28 parts of ethoxychelerythrine, 6-15 parts of gentiana purdomii marq, 5-12 parts of folium isatidis, 17-26 parts of canscora lucidissima, 8-12 parts of canscora lucidissima, 2-4 parts of dalbergin, 3-6 parts of 7,8-dihydroxy-4-phenylcoumarin and 7-8 parts of 3-hydroxy-morindone. According to the medicine disclosed by the invention, the raw components are strictly selected according to the cognition mechanism of bronchiectasis, so that the comprehensive rehabilitation aim is achieved; and the composition has the characteristics of being fast in efficacy, stable in effect, convenient to carry and take and free of toxic or side effect after long-term taking.