according to article 8 of China's contract law, "a legally established contract is legally binding on the parties. The parties shall perform their obligations in accordance with the agreement and shall not change or terminate the contract without authorization. " Article 25: "A contract is formed when the acceptance takes effect." Article 32: "If the parties conclude a contract in the form of a contract, the contract shall be established when both parties sign or seal it." Article 37: "If a contract is concluded in the form of a contract, one party has fulfilled its main obligations before signing or sealing, and the other party accepts it, the contract is established." Article 42: "In the process of concluding a contract, if one of the following circumstances causes losses to the other party, the parties shall be liable for damages: (1) negotiating in bad faith under the guise of concluding a contract; (2) Deliberately concealing important facts related to the conclusion of a contract or providing false information; (3) There are other acts that violate the principle of good faith. " Now you invest in the online franchise store (Zhengzhou Zirui Technology Co., Ltd.) on the Internet, and you paid the cooperation money to the other company without signing a contract. Now you don't want to cooperate. According to the above legal provisions, if you have not signed a written contract, the other party has not actually fulfilled its main obligations, and at the same time, you have not made a commitment, there is no contractual legal relationship between you, and there is no basis for the other party to receive your money, so you can ask the other party to return it. What's more, if the other party promises to mail the contract and fails to fulfill its obligations, which violates good faith and conforms to Article 42 of the Contract Law, you can also investigate the liability for damages caused by the other party's fault in signing the contract. However, it is recommended to collect and keep the evidence of the other party's fault and the money you paid to the other party. If the negotiation fails, the prosecution needs to prove these facts, otherwise, it will bear the legal consequences of failing to prove them. The above suggestions are for your reference.