证券回购是一种以证券作抵押的短期资金借贷行为，是资金融资方以其拥有的证券作抵押，从市场上获得一定期限内的资金使用权，期满后归还所借贷的资金，并且按当初借贷时的约定支付对方利息；而资金融券方则暂时放弃相应的资金使用权，而获得融资方的证券抵押权，并于期限终结 Securities repurchase is a kind of short-term borrowing and borrowing with securities. It is a fund-financing party that takes the securities it owns as collateral to obtain the right to use the funds within a certain period from the market and repay the borrowed funds after the expiration, and According to the original loan lending agreement to pay the other party interest; while the liquid securities lenders temporarily give up the corresponding right to use funds, access to the financing side of the securities mortgage, and the end of the term