To travel to Tokyo, Japan for a month, you need to prepare the following documents and visas:

  1. Passport: Make sure your passport is valid for at least 6 months after the trip.
  2. Visa: To apply for a Japan tourist visa, the following materials are usually required:
    • Copy of passport
    • A recent 2-inch color photo
    • Employment certificate or student certificate
    • Proof of funds, such as bank statements, pay stubs, etc., to prove that there are sufficient funds to support the trip
    • Itinerary arrangements, including hotel reservations, air ticket reservations, etc.
    • Travel insurance, medical insurance covering the entire trip

Please note that specific requirements may vary depending on personal circumstances and application time, and it is recommended to consult the Japanese embassy or consulate in detail before applying.