First, contact the buyer in time to communicate possible misunderstandings and negligence. The purpose is to try to negotiate a solution. If the negotiation cannot solve the other party's malicious refusal to pay, you need to prepare a few defense materials. When preparing the defense materials, first strive for a full refund. If it fails, you can also strive for a partial refund. If the defense fails in the end, you have opened an international service card refusal service on Alibaba. If the defense materials meet the requirements of the platform, a certain range of free services will be provided.

If you encounter the problem of escrow refusal on the Alibaba platform, the following are some possible solutions:

1. **Open the refusal to pay processing service**: You can open the refusal to pay processing service in the My Alibaba background, which can improve your risk resistance.

2. **Negotiate with the escrow company**: First try to communicate with the escrow company to strive for a solution that both parties agree on and reduce the time and money costs of litigation.

3. **Check the reason for the refund**: In the seller's workbench in the My Alibaba background, find the refund and return management in the transaction management, and check the orders refunded due to quality to understand the specific reasons for the refund.

4. **Optimize store service plan**: According to the reason for the refund, optimize your store service plan to improve customer satisfaction.

5. **Join other victims to protect rights**: If the negotiation fails, you can unite with other victims to jointly protect rights. You can establish a rights protection group, sign a joint statement, etc.

6. **Complain to the Consumer Association or sue in court**: If the problem still cannot be solved, you can complain to the local Consumer Association, or complain to the relevant administrative department, or even sue in court.

The above methods are for reference only. Please perform specific operations according to the actual situation.