First of all, you need to find the complaint entrance, log in the account and fill out the form. If you are a seller, please select Sellerscontatform in the first line, and if you are a buyer, please select buyerscontactform in the second line. Fill in the details in the form. Fill in the form according to the problem description. After submitting the form, you will receive an email from Amazon stating that Amazon has received your request and will handle it within two working days. Once the survey is completed or other information is needed later, Amazon will inform you by email.