Hotspots: What information must be provided by foreign exchange hotspots: 1. Passport (or passport) and its copy (passport holder also needs ID card); 2. A valid entry visa and its photocopy; 3. Household registration certificate (household registration book); 4 proof of the unit or street office; 5. International students also need to provide an admission notice; 6. Pilgrims leaving the country must also provide certificates from the Provincial Bureau of Religious Affairs; 7. The designated teacher must provide the other party's invitation letter; 8. The approval of exceeding the limit must be subject to the approval documents of the foreign exchange bureau.