First of all, we need to analyze the specific content and related facts of the agency agreement, and pay attention to verifying whether the principal qualification of the other party is genuine and legitimate and the authenticity of the agent's product information. At the same time, we need to implement the relevant legal authority of the cooperative principal to have the ownership or sale right of the product.

All these cases should be verified in the process of signing the agency agreement or performing the agreement.

According to the contents of respective rights and obligations stipulated by the two parties' agreement, we can judge each other's liability for breach of contract by analyzing the specific performance facts.

If a party has fraudulent or breach of contract, the other party may return the deposit with the agency agreement and the margin receipt and the relevant evidence. If the party claims to terminate the agency contract, he may also investigate the other party's liability for breach of contract. If there is any suspicion of fraud, he should report it to the public security organ.