Pearls can cross the border. According to relevant information, the supervision condition of pearls is AB, and inspection is required. Pearl needs to provide entry and exit customs clearance forms, and prepare inspection materials, boxes, invoices, contracts and customs declarations. Pearl is an ancient organic gem, which is mainly produced in mollusks such as Pinctada and Pinctada. Pearl is a mineral bead containing calcium carbonate produced by endocrine function of shellfish.