Based on analysis on the contractual right value of farmland,this paper first discusses the price type and value basis of contractual right,including subcontract,transfer,lease and investment,and develops farmland price evaluation model,then this paper makes a case study in Guanzhou.The result shows that the five-year price of subcontract,transfer,lease and investment is 105 767.25,699 841.50,21 005.55and 104 311.05 yuan RMB per hectare,which conforms to the survey results.In conclusion,transferring price based on contractual rights realizes the basic elments in economics in which transaction price reflects the exchange value in theory,and the appraisal result is reasonable.