1. Log in the product-rich APP on your mobile phone. After logging in, click "Personal Center" in the lower right corner and click "Settings";
2. On the settings page, click "Free Stay in Pinduoduo";
3. On the page of free entry in Pinduoduo, click "Free entry for merchants";
4. Fill in the store password as required, and then click "Confirm Settings";
5. Upload the double-sided photo of the ID card, click "Enter face recognition and complete authentication" after uploading, complete the round face authentication of the ID card holder according to the prompts, and then set the store name to complete the whole shop opening process.