Baggage carried by passengers incoming and outgoing China Customs area shall be declared to the Customs factually. There are two channels set up for passengers to go through Customs: "Having-things-to-declare Channel" and "Nothing-to-declare Channel". Passengers may choose the appropriate channel in accordance with the Customs Proclamation. Passengers who "do not understand the Customs regulation" or "do not know how to choose the channel" shall go through the "Having-things-to-declare Channel". No matter which channel the passengers choose, baggage they carried cannot resist the inspection from the Customs. 

Baggage carried by passengers shall be limited to reasonable quantities for personal use. The term "personal use" means for private use only or for presenting gifts to relatives or friends, but not for selling or lending. The term "reasonable quantities" means the normal quantities based on the travel purpose and the length of the residing time.