China's internet sits behind the "Great Firewall," which blocks most Western apps and sites. The single most important thing to know: whatever solution you choose, set it up before you arrive, because the tools you'd use to fix it on the ground are themselves blocked.
This guide covers what's blocked, the two reliable ways to stay connected (a VPN or an international eSIM), local SIM cards, and how to navigate without Google Maps.
What's blocked behind the Great Firewall
Expect these to not work on a normal Chinese connection: Google (Search, Maps, Gmail, Drive), WhatsApp, Instagram, Facebook, Messenger, YouTube, X/Twitter, Snapchat, Telegram, Reddit, many Western news outlets, and sometimes Slack or your work tools. Apps that do work include WeChat, Alipay, Trip.com, Amap, Apple services (mostly), and Microsoft/Bing.
Option 1: Install a VPN before you arrive
A reputable paid VPN tunnels you to a server outside China so blocked apps work again. The catch is critical: VPN provider websites and app downloads are blocked inside China, so you must install and test it while still at home. Choose a provider known to work in China, install the app, log in, and confirm it connects before you fly. Keep two installed in case one is throttled.
Option 2: Use an international eSIM (often the easiest)
An international travel eSIM (e.g. Airalo, Holafly and similar) delivers data via roaming, which typically routes through the provider's home network outside China — so Google, WhatsApp and Instagram often work without any VPN at all. It installs in minutes on a compatible phone, with no SIM swap. This is the lowest-hassle option for many travelers; confirm the specific plan advertises that it works for China before buying.
Option 3: A local Chinese SIM
A China Mobile / China Unicom SIM gives you cheap, fast local data and a Chinese number (useful for some apps), but it sits inside the firewall — so you'll still need a VPN on top to reach blocked services. Buy at the airport or a carrier shop with your passport. Best for travelers staying a while who mainly use Chinese apps.
Maps and navigation without Google
Google Maps is unreliable and often misaligned in China. Download Amap (Gaode) or Baidu Maps — both have some English and are accurate for transit, walking and driving. Apple Maps also works reasonably well. For taxis, Didi handles navigation for you. Save offline copies of key routes as a backup.
Frequently Asked Questions
Is WhatsApp / Instagram / Google blocked in China?
Yes. WhatsApp, Instagram, Facebook, YouTube, X and all Google services are blocked behind the Great Firewall. You need a VPN or an international eSIM to use them.
Do I really need a VPN in China?
If you want to use Western apps and sites on a local connection, yes. But many travelers skip the VPN by using an international eSIM whose roaming data bypasses the firewall. Either way, arrange it before you arrive.
Does an eSIM bypass the Great Firewall?
Often, yes. International travel eSIMs route data through a network outside China via roaming, so blocked apps frequently work without a VPN. Confirm the specific plan states it works in China before buying.
Why must I install a VPN before arriving?
Because VPN company websites and app-store listings are themselves blocked inside China. If you wait until you land, you may not be able to download or activate one. Install and test it at home.
Are VPNs legal for tourists in China?
Tourists routinely use VPNs without issue, and using a reputable VPN to access your normal apps is common practice. Use a well-known provider, and avoid using it for anything illegal.
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