The mature fruits which are named Laoqiao are picked,griddled impurity in October. Forsythia Suspensa mainly distributes in Shanxi, Shaanxi, Hebei, Henan, Gansu, Anhwei, Hubei,Sichuan,Yunnan,et al.

• 连翘在国内主要分布于山西、陕西、河北、河南、甘肃、安徽、湖北、四川、云南等地，以山西连翘为地道药材。