An apparatus and a method of sending/receiving video on demand (VOD) streaming service according to providing client-favored advertisement. A VOD server and a VOD client terminal tie the VOD streaming service to client advertisement selection interactions, such as advertisement receipt selections, advertisement selection attributes (e.g., type, mode, etc.). The VOD server comprises a service controller providing to clients multimedia contents and specific advertisement contents selected by the clients to receive and a data storing unit storing the multimedia contents, the advertisement contents, and the client data.