The legislative purpose of the prohibition of the fluidity contract needs to be amended, as it no longer fully meets the practical needs. The fluidity contract may not cause disadvantages to the debtor (mortgagor), and its own positive values need to be evaluated again. The existence of aircraft fluidity contract is necessary, which can strengthen the protection of the interests of creditors and enhance the confidence of creditors in financing. It is the implementation of the principle of private law autonomy and is consistent with the pursuit of benefit value of the law. Therefore, China should follow the contemporary legislative trend, confirm the effectiveness of air? craft fluidity contract, and propose to introduce a special rescission to curb its potential negative effects.