清代晚期，因朝政腐败，帝国主义列强竞相掠夺。从１８４０年鸦片战争起，清王朝一味屈膝求和，割地赔款，开关通商，失让主权，洋货涌入，白银外流，中国沦为半封建半殖民地，滇省边区首当其冲，十九世纪末，英、法吞并缅甸、越南后，竞相对云南实行经济渗透，迫使清庭累订屈 In the late Qing Dynasty, the imperialist powers were plundering because of the corrupt government. From the Opium War in 1840, the Qing Dynasty bent on seeking peace, ceded compensation, switching trade, losing sovereignty, influx of foreign goods, silver outflows, China became a semi-feudal semi-colony, the Yunnan borough borne the brunt of the late nineteenth century, Britain, France After annexing Myanmar and Vietnam, they vied with each other for economic penetration in Yunnan and forced the Qing court to set its own weight