What are the procedures for going abroad? How long is the passport valid? What are the requirements?

Get a passport first, go to the local police station, have a special business window, put on your ID card account book, take photos when you go, and pay the money. It should be 10 year, and Hong Kong and Macao should do it alone! If you are under 18 years old, you need a guardian, and you need to have your fingerprints. The staff will tell you when you get there, and then you can apply for a visa when your passport comes down. Every country is different. For example, if you want to go to Britain, you need to go to the Beijing Embassy to get your fingerprints. Other countries do not need it. You'd better find an intermediary or a tour group and pay for it yourself. You don't need to do it yourself. It's troublesome to do it yourself. You need to be proficient in English. If you don't join a group