Legal basis: Article 7 of the Passport Law of the People's Republic of China. Passport holders are valid for five years when they are under the age of 16, and for ten years when they are over the age of 16. If the validity period is less than six months, or if the validity period is more than six months, but there are materials to prove that the validity period does not meet the requirements of the destination country, you can apply for a new ordinary passport.