Reservoir relocation has a great contribution to the national economy and social development,but due to various reasons,a considerable part of reservoir migration is very poor,and lack of protection of economic and social life,existing a lot of social problems.Taking Langzhong City large and medium-sized reservoir resettlement relocation hedging difficulties for example,the basic characteristics of immigration survival,formulated hedging difficulties immigration relocation program were analyzed,the effect brought about by the relocation was explained,suggestion to increase the relocation effect was proposed.