清嘉庆、道光两朝共55年是中国社会由传统的中古时代走向近代的转折时期。斯时清朝统治已从百年鼎盛的巅峰上跌落下来,内乱外侮,使社会迅速陷于衰败、动荡。从对外关系来说,长期闭关锁国的中国最终被西方列强的大炮打开大门,东西方冲突和文化撞击的严峻局面陡然摆 A total of 55 years of Qing Jiaqing and Daoguang Dynasties were the turning point of Chinese society from the traditional middle age to the modern one. At the time, the rule of the Qing Dynasty had plummeted from its peak of 100 years to bring about civil strife and turmoil in the society. From the perspective of the external relations, China, which has been locked in the country for a long period of time, was finally opened to the door by the cannons of the Western powers. The severe situation of the East-West conflict and the cultural impact suddenly came to the fore