To provide an entry system which performs a reservation job of a golf course, etc., or a ticket reservation job through a network such as the Internet and performs even charge settlement through the network.

This entry system consists of a user terminal used to make a reservation or the like by a player, a person wanting to purchase a ticket, etc., a portable telephone or a PHS similarly used to make a reservation, etc., as a portable terminal, a weather report server providing weather report information, a reservation server performing reservation/lottery job of the golf course, the ticket, etc., and a credit processing server performing a charge settlement job, and they are respectively and mutually connected to the network such as the Internet.