If AliExpress is accused of appearance infringement, you can take the following measures to appeal:

1. Collect evidence: First, collect all evidence that may help prove that you have not infringed. This may include design drawings, product photos, proof of purchase, etc.

2. Understand relevant laws and regulations: Understand the relevant policies of the AliExpress platform and local laws and regulations, especially laws on intellectual property rights.

3. Prepare appeal materials: Prepare a detailed appeal report based on the collected evidence and the relevant laws and regulations. The report should include the following:a. Describe the specific content of the complained product and the infringement allegations;b. Explain the differences between your own products and the products accused of infringement;c. Cite relevant laws and regulations to prove that your products do not constitute infringement;d. Provide other possible supporting documents, such as design drawings, product photos, proof of purchase, etc.

4. Communicate with the complaining party: Before appealing, you can communicate with the complaining party to understand the specific content of their allegations and their requirements. This will help to better prepare the appeal materials.

5. Submit an appeal: Submit the appeal materials to the AliExpress platform and attach all relevant evidence and documents. Make sure the appeal materials are complete, accurate and clear.

6. Wait for processing: After submitting the appeal, wait for the AliExpress platform to review and process the appeal. If additional evidence or materials are required, provide them in a timely manner.

7. If the appeal is successful: If the appeal is successful, you can continue to sell the product on the AliExpress platform. If you need to change product information or remove the product, follow the requirements of the AliExpress platform.

8. If the appeal fails: If the appeal fails, you need to comply with the decision of the AliExpress platform, such as removing the infringing product or paying a fine. At the same time, you need to re-examine your business model and products to ensure that they do not violate any intellectual property laws and regulations.

9. Seek legal help: If you are not satisfied with the decision of the AliExpress platform or believe that your rights and interests have been infringed, you can seek legal help. You can consider hiring a lawyer or consulting a professional legal advisor to help solve the problem.

10. Establish an intellectual property protection plan: In order to avoid similar infringement problems from happening again, an intellectual property protection plan can be established. This includes understanding and learning intellectual property laws and regulations, regular training, hiring professionals to review products, etc.