Best Cheap SIM Card for Foreign Tourists in China (2026): Where to Buy & What to Get

China's internet ecosystem is walled — Google, Facebook, Instagram, WhatsApp, and most Western websites are blocked without a VPN. To function effectively in China, you need a local SIM card with mobile data. This gives you access to DiDi, Alipay, Baidu Maps, and every other app that makes travel in China possible. International roaming is expensive and slow. Free airport Wi-Fi is unreliable. A local SIM is the only practical solution, and it costs far less than you might expect.

1. The Best Option: China Unicom's Tourist SIM (联通游客卡)

China Unicom (中国联通) offers a dedicated tourist SIM card that is specifically designed for foreign visitors. It requires no Chinese ID card, no local bank account, and no long-term contract. You can purchase it at major airports (Beijing Capital, Shanghai Pudong, Guangzhou Baiyun, Chengdu Tianfu), at China Unicom stores in city centers, or online before arrival. The tourist SIM typically includes 10–20GB of data valid for 7–30 days, plus a small amount of local calling credit. Prices range from 80–150 yuan ($11–$21 USD) depending on data allowance and duration.

• Best for: Short-term tourists (1–4 weeks)
• Price: 80–150 yuan ($11–$21 USD) for 10–20GB
• Validity: 7–30 days depending on the plan
• Where to buy: Airport kiosks, China Unicom stores, or online via Klook/Trip.com before arrival
• Requirements: Passport only — no Chinese ID or bank account needed
• Activation: Usually instant; staff will install and activate it for you

2. China Mobile's Tourist Plan (移动短期卡)

China Mobile (中国移动) is China's largest carrier with the best rural and remote-area coverage. Their tourist plan is similar to Unicom's but often includes more data at a slightly higher price. The advantage of China Mobile is superior coverage in rural areas and smaller cities — if your itinerary includes remote destinations like Tibet, Yunnan, or Xinjiang, China Mobile is the safer choice. The tourist SIM costs 100–180 yuan ($14–$25 USD) for 15–30GB over 15–30 days. Available at airport kiosks and China Mobile flagship stores.

3. The Budget Option: Third-Party Data-Only SIMs

If you only need data (not phone calls), third-party providers offer even cheaper options. Companies like Airalo, Holafly, and Ubigi sell China-specific eSIMs and physical SIMs that you can order online before travel. These typically cost $15–$30 USD for 10–20GB over 30 days. The advantage is convenience: you order from home, receive a QR code or SIM by mail, and activate on arrival. The downside: these are data-only — no local Chinese phone number, which means you cannot receive SMS verification codes from some Chinese services. For basic navigation, messaging, and social media, they work well. For full functionality (DiDi, Alipay, hotel registrations), a local number is strongly recommended.

4. eSIM: The Future of China Connectivity

eSIMs are digital SIMs that you download directly to your phone — no physical card needed. If your phone supports eSIM (iPhone XS and newer, most Samsung Galaxy models from S20 onward, Google Pixel 3 and newer), this is the most convenient option. Airalo and Holafly both offer China eSIMs with 10–30GB data packages. The eSIM activates instantly by scanning a QR code. You keep your home SIM active for calls and texts while using the China eSIM for data. This is ideal if you need to receive banking OTPs or work calls on your regular number while using local data in China.

5. What You Need to Buy Any SIM in China

Chinese law requires real-name registration for all SIM cards. Every SIM purchase requires your passport. The process is straightforward: present your passport at the counter, the staff photocopies it, activates the SIM, and installs it in your phone. The entire process takes 5–10 minutes. Some stores require a facial recognition photo as part of the registration — this is normal and mandatory. Keep your passport handy when buying a SIM. No other documentation is needed.

6. Comparing All Options: A Quick Reference

• China Unicom Tourist SIM: 80–150 yuan, 10–20GB, 7–30 days, includes local number — best overall value
• China Mobile Tourist SIM: 100–180 yuan, 15–30GB, 15–30 days, includes local number — best for rural coverage
• Airalo / Holafly eSIM: $15–$30, 10–20GB, 30 days, no local number — best for convenience if you only need data
• International roaming: $10–$15 per day, slow speeds, limited data — avoid unless absolutely necessary
• Airport Wi-Fi only: unreliable, requires VPN, no access when outside the airport — not recommended as primary solution

7. Pro Tips for Using Your China SIM

• Download a VPN before you arrive — ExpressVPN, NordVPN, or Surfshark all work in China; you cannot download them once inside the country
• Test your SIM immediately after activation — make sure data works before leaving the store or kiosk
• Top up data via the carrier's app or at any convenience store (7-Eleven, FamilyMart) if you run low
• Keep your home SIM safe — store it in your luggage or wallet; do not lose it
• If you need a local number for hotel registrations or DiDi, a tourist SIM with a real number is essential; data-only plans will not work for verification SMS

"The 30 minutes after landing are the most important. Get your SIM at the airport, get it activated, and test it before you leave the terminal. I have seen travelers walk out with a non-working SIM and spend their first day in China completely disconnected." — Chen Ruoxi, Head of Destinations, China Sense