It depends on whether it is a capital account or a current account. If it is an individual, it is a capital account, and a single currency is equivalent to $50,000. Exceeding this quota requires the approval of the foreign exchange administration department at or above the provincial level, otherwise it cannot leave the country. If it is approved, materials need to be submitted according to different purposes: such as study abroad notice, overseas personal business contract, etc. If it is troublesome for current account funds to leave the country, you need to consult the local safe specifically.