On October 13, 1949, the Central Committee of Communist Party of China makes a decision, cent of dragon of Deng Xiaoping, Liu Baicheng, congratulate holds the post of bureau of southwest of Central Committee of Communist Party of China the first, the 2nd, the 3rd secretary, he Long holds the post of commander of southwest military region. On November 23, mao Zedong puts forward ” emancipatory Tibet appropriate is early should not be late ” strategic conception. Although zone time of Tibetian inhabit a region has been collected in red army commander, congratulate dragon Ceng Lvjun carries district of Tibetian inhabit a region smoothly, but very finite to the understanding over there. And it is this to should be directed 1000 army 10 thousand Ma Jin Tibet, realize peace of Central Committee of Communist Party of China as far as possible to liberate strategic deploy of Tibet, want to carry this heavy responsibility, premise has deep knowledge to Tibet and Tibetian namely. After receiving the Party Central Committee to liberate big southwest and the directive of management Tibet, he Long begins to visit Tibet actively to learn an expert, to march Tibet asks plan find plan.