The purpose of purchasing foreign exchange can be to study abroad at one's own expense (tuition and living expenses), travel abroad, business investigation, visiting relatives, going abroad for medical treatment, pilgrimage, overseas training, employment, international exchange, overseas settlement, overseas labor service, overseas mail order fees, payment of membership fees of international organizations, and assistance of overseas immediate family members. It also includes the purchase of foreign exchange under current account such as overseas consultation, other service trade expenditure, goods trade and related expenditure.