国共内战国民党溃败之后,一批国军残余部队从中国西南部云南省往南方国境撤退,蒋介石曾经利用这批军队,通过云南省和缅甸接壤的滇缅边区,进行了一连串反攻大陆试探行动。20世纪50年代,至少有过两次大型反攻大陆行动,是利用滇缅边区一块与中国大陆、缅甸、泰国、寮国等四个国家接壤的三角形地区,也就是国际俗称的“金三角”地区,向 After the Kuomintang civil war defeat, a group of remnants of national army retreated from Yunnan Province in southwestern China to the southern frontier. Chiang Kai-shek used these troops to conduct a series of mainland counter-offensive attempts through the Yunnan-Burmese border bordering Yunnan and Burma. In the 1950s, at least two large-scale counterattacks against the mainland were made through the use of a triangular area bordering the four countries of Mainland China, Myanmar, Thailand and Laos in the Yunnan-Burma border region, namely, the internationally popular “Golden Triangle” Region, to