中國牆
Chinese Wall
指證券包銷部門與後勤或交易部門的訊息與職能隔離的意思，以防敏感性的消息外洩，造成內幕交易之利益衝突。
It refers to the underwriting department and posts and functions of the logistics sector or transaction isolation means to prevent the leakage of sensitive messages, create a conflict of interest of insider trading.