How long is the validity of a tourist visa abroad?

Legal analysis: the validity period of the visa. The authorities issuing passports and visas in different countries stipulate different validity periods for different visas. The validity of the visa shall not exceed the validity of the passport. The validity period of visas is generally 1 month, 3 months, half a year or more, and some visas are less than 1 month; The validity of transit visas is generally short, mostly within 1 week. The holder must enter, leave or transit within the time limit stipulated in the visa. After the visa expires, you must reapply.

Legal basis: Article 9 of the Law of People's Republic of China (PRC) on Exit and Entry Administration. China citizens shall apply for passports or other travel documents when leaving or entering the country. China citizens who want to go to other countries or regions also need to obtain visas or other entry permits. However, unless the China government has signed visa exemption agreements with other governments or the Ministry of Public Security and the Ministry of Foreign Affairs provide otherwise. China citizens who leave or enter the country as seafarers and work on foreign ships shall apply for a seaman's certificate according to law.