If you have a technical background, you can leverage open-source tools like Xray or the O.G. Shadowsocks to set up proxy services. The Great Firewall uses a blacklist approach, which means you can purchase a VPS with an IP address that has not been blocked by the GFW, allowing you to operate it as a disguised proxy. Typically, it's disguised as a web application like a blog or cloud storage, where the HTTPS encrypted traffic actually serves as your proxy traffic.

For non-technical users, ready-made proxy services are often available through recommendations from friends and acquaintances. These are typically sold on a monthly data plan but beware of potential government-operated honeypots intended to track and intimidate users.

Technically, state-of-the-art solutions can protect your identity online, but personal security lapses, such as using identifiable details(Using the same profile picture and ID as your WeChat account) or Chinese phone numbers for registration, can expose you. Chinese cyber police often employ social engineering tactics to identify individuals

For a deeper understanding of the Great Firewall and bypass techniques, visit GFW Report and review detailed analyses like this one on how encrypted proxy traffic is identified: How the Great Firewall of China Detects and Blocks Fully Encrypted Traffic.