Abstract: The present invention relates to a method and apparatus for transaction securities. According to the present invention, a disposal restriction on securities can be set or canceled by setting up a security right or creating other contracts according to an enterprise declaration of will. Also, according to the present invention, securities liquidity and stability can be increased by enabling an owner of securities to dispose of the securities having a disposal restriction set through a sell restriction management agreement, as well as by imposing certain restrictions on disposal.