The China's Law of Contract does not provide the limitation of actions concerning in- valid contract, and there are disputes over the question of limitation in theory and practice. The pa- per analyzes various views and reasons that if limitation is applicable to the claim of identification of invalid contract, and argues that the aftlrmance of contract invalidation should be restricted by limi- tation. The limitation should be started from the point of expiration date of the fulfillment of obliga- tions and the limitation shouled be two years...