To provide a system for lot drawing for premium using the Internet, which has a high performance effect and enables a participant to enjoy lot drawing.

In a step SC, participation desire information is transmitted by a participant in a client in response to presentation of system participation guide information of a sponsor from a server, and thereafter, register information is transmitted by the client in response to transmission of register request information from the server, and lottery participation permission display information is transmitted by the server in response to this transmission. In a step SD, lot drawing display information is transmitted in response to transmission of this lottery participation permission display information. A series of n steps SC and SD are performed, and consequently, lot drawing using lot drawing information EJ1 to EJn is performed by the server when the server completes successive reception of lot drawing information EJ1 to EJn of participants A1 to An and generates lot drawing result display information representing the lot drawing result and presents this display information.