Complete a passport renewal form. This is available at all official Chinese embassies or can be downloaded from the Chinese embassy website (see Resources).
Collect required documents and information for passport renewal. This includes passport photos, photocopies of relevant information and a processing fee.
Go to your nearest Chinese embassy. Locations of Chinese embassies around the world are available on the embassy website
Go to the appropriate window for passport renewal processing and turn in any required documents.
Follow the official's instructions, and return to pick up your passport at the designated date and time.