开门 · Open the door
China is wide open.
We help you walk through.
Kaimen means “open the door” in Chinese. We build free guides and tools that turn the complexity of traveling to China into clear, actionable steps — so the only thing between you and China is a plane ticket.
Free guides
Real detail, not recycled listicles.
Comprehensive guides for destinations, visa rules, payment setup, transport, food, and daily logistics — written by people who live this, not content farms.
Free tools
Interactive tools that give you answers, not maybes.
Know before you book
54 ports of entry, 98 nationalities, every transit exemption modeled. Get a clear yes-or-no on your entry path — not a forum thread from 2019.
54 ports · 98 passports · Updated regularly
City guides that go deep
Comprehensive destination guides with the neighborhoods, food, logistics, and local detail that generic listicles skip over.
City guides · District-level detail · Photos
Arrive connected, not locked out
VPN, Alipay, WeChat, maps — the apps you need installed before your flight lands. Step-by-step setup, plus a firewall checker for every service you use.
15 apps · Firewall checker · Progress tracking
How to use Kaimen
Read the guides
阅读指南
Start with the destination you care about. Each guide covers entry logistics, neighborhoods, food, transport, and the things most sites don't mention.
Check your visa route
确认签证路线
Enter your passport and itinerary. Get a definitive answer on the 144-hour transit exemption, visa-free entry, or what you actually need to apply for.
Set up your phone
准备好你的手机
Follow the app setup wizard before departure. Alipay, VPN, maps, transit — each step sequenced so nothing gets blocked after landing.
Start here
The door is open.
门已经开了
Everything on Kaimen is free. No accounts, no paywalls, no affiliate tricks. Just the guides and tools we wish existed when we first traveled to China.