Specific steps:
1. Download an Alipay app.
2. Open an Alipay account and complete a real-name verification before you register to apply for a Hainan health QR code.
3. Search for "海南健康码" (Hainan Health QR Code) at the front page of the app or click "城市服务" (City Services) to find "海南健康码".
4. Fill in your personal information such as name, phone number, address, health condition gender, region, and submit.
5. The system will generate a health code based on your personal information and the big data of China's novel coronavirus epidemic prevention and control situation.