According to the regulations of Hong Kong Customs on prohibited/controlled articles:

Common prohibited/controlled items include dangerous drugs, psychotropic substances, controlled chemicals, antibiotics, firearms, ammunition, weapons, firecrackers and fireworks, strategic goods, rough diamonds, animals, plants, endangered species, telecommunications equipment, game, meat, poultry, eggs and formula milk powder.

Passengers who bring the above articles into/out of the HKSAR without a valid license, permit, health certificate or written permission may be prosecuted and the articles concerned will be seized and confiscated.

The punishment for passengers who bring prohibited/controlled articles into China will depend on the relevant laws governing the import and export of such articles.

Extended data

Customs clearance time in Hong Kong:

The customs clearance hours at Luohu Port are 6: 30-24: 00, 7: 00-9: 00 and 18: 00-20: 00 during peak hours.

The customs clearance time at Huanggang Port is 24 hours, and the peak hours are 7: 00- 10: 00 and 16: 00-20: 00.

The customs clearance time at Futian Port is from 6: 30 to 24: 00.

The customs clearance time at Shatoujiao Port is from 7: 00 to 20: 00, and the peak time is 16: 30- 19: 00.

(Shekou) The customs clearance time of Hong Kong and Macao Wharf is 24 hours, and the customs clearance time and waiting time are shorter.

Customs and Excise Department: Prohibited/Controlled Articles