According to the relevant laws of China Customs, all animals and plants and their products cannot be brought into the country. Unquarantined aquatic animal products may have the risk of carrying parasites, germs, spreading epidemics, etc., which will pose a threat to the ecological environment and national health. And on November 29, 2018, the Customs and Excise Department seized Hong Kong travelers carrying 24 packages of dried sea cucumbers with a total weight of 12 kilograms into the country at the Entry Bus Lane of the Hong Kong-Zhuhai-Macao Bridge (HZMB) Zhuhai Highway Port. Relevant authorities have penalized key personnel, and serious cases will be subject to criminal penalties.

Related items prohibited from being carried include: except for movable animals dogs and cats, including all mammals, birds, fish, crustaceans, amphibians, reptiles, insects and other invertebrates.