1. Collection of foreign exchange: Generally speaking, it refers to the process that the receivables generated by export enterprises in exporting goods or providing labor services, and the foreign currency remitted from abroad are remitted to the foreign currency account of the designated domestic foreign exchange receiving bank. 2. Settlement of foreign exchange: refers to the behavior that the owner of foreign exchange income sells his foreign exchange income to the designated foreign exchange bank, and the designated foreign exchange bank pays the equivalent local currency at a certain exchange rate. Iii. Foreign exchange collection process:1.1pre-collection delivery: deliver the goods to the customer first-receive the payment from the customer-provide the verification number to the bank-the bank will issue a special seal for verification of export foreign exchange receipt according to the corresponding payment amount-deliver the shipping company to the foreign exchange bureau for verification:1.2./kloc In case of payment, the prepayment contract shall be registered within 15 working days from the date of signing the contract, and the prepayment withdrawal registration shall be handled at the same time when the enterprise actually receives the prepayment not specified in the contract. The enterprise shall go through the withdrawal registration formalities of the advance payment within 15 working days from the date of receiving the advance payment agreed in the contract. The management of advance payment should be based on online registration management system. Online registration system is a national foreign exchange business application service platform-trade credit registration management system. Enterprises need to register and cancel the advance payment one by one online. Prepayment flow chart: log on to the platform of the State Administration of Foreign Exchange-prepayment contract registration and contract inquiry modification-prepayment withdrawal registration and inquiry modification (contract registration should be handled at the same time)-log on to the electronic port system the next day-designated payee bank in export collection 1.2.2 Note: log on to the platform of the State Administration of Foreign Exchange-cancellation of relevant documents in prepayment registration management-