all the items auctioned by the customs are confiscated by the customs. Most of them are illegal, overdue and abandoned goods involved. Overdue refers to the goods that have not been declared to the customs for three months since the means of transport declared entry; Abandonment refers to the goods declared by the consignee or the owner of the goods to be abandoned. There are many kinds and sources of goods confiscated by the customs, including imported, exported, new and old, high-tech goods and extremely general goods, and the texture is uneven.