Legal analysis: 1. The parties may stipulate the conditions for terminating the contract in the contract, and when the conditions for terminating the contract are fulfilled; 3. The purpose of the contract cannot be achieved due to force majeure; 4. Before the expiration of the performance period, one party clearly indicated or indicated by its own behavior that it would not perform the main debt; (five) one party delays the performance of the main debt, and fails to perform it within a reasonable period after being urged; (6) One party delays the performance of debts or commits other breach of contract, which makes the purpose of the contract impossible to achieve. (7) The time limit for exercising the cancellation right shall be stipulated by law or agreed by the parties. If the parties fail to exercise their rights at the expiration of the time limit, the rights shall be extinguished. (8) If one party requests to terminate the contract, it shall notify the other party. When the notice reaches the other party, the contract is terminated. (9) After the termination of the contract, if it has not been performed, the performance shall be terminated; If it has been performed, according to the performance and the nature of the contract, the parties may demand restitution and take other remedial measures, and have the right to demand compensation for losses.

Legal basis: Article 562 of the Civil Code of People's Republic of China (PRC), the parties may terminate the contract through consultation. The parties may agree on the reasons for one party to terminate the contract. When the cause of termination of the contract arises, the creditor may terminate the contract.