To provide a security inspection system, a security inspection terminal, a security inspection method, and a security inspection program for improving operation efficiency in security inspection.

The security inspection device which is connected to a facility terminal set within a target facility of security inspection instructed from a monitoring server through a communication network, and is operated by a user to patrol the facility to inspect a security device includes: an encryption communication means which performs collation with the facility terminal by key information transmitted from the monitoring server and performs communication of secret information by encryption; a position measuring means which measures a current position; a security device position update means which causes the facility terminal to update the security information while taking position information for the security device as position information obtained by the position measuring means; and a screen display means which displays the security information updated by the facility terminal by the security device position update means on a screen.