The invention provides a remote comprehensive monitoring system for the transformer substation operating environment. The remote comprehensive monitoring system for the transformer substation operating environment comprises a power environment monitoring system (1), a video monitoring system (2), a fire alarm and fire extinguishing system (3), an auxiliary device control system (4), an SF6 monitoring and alarm system (5), a security alarm system (6), a entrance guard control system (7), a linkage configuration system (8) and an extendable-function system (9). All the systems are connected to a comprehensive monitoring platform (14) through an IP communication network. The invention further provides a linkage control method of the remote comprehensive monitoring system. The method comprises the step of linkage of the power environment monitoring system (1), the video monitoring system (2), the fire alarm and fire extinguishing system (3), the auxiliary device control system (4), the security alarm system (6), the entrance guard control system (7) and the alarm system. The remote, real-time, automatic and intelligent comprehensive monitoring system for the transformer substation operating environment and the linkage control method of the remote comprehensive monitoring system are provided, and the labor productivity and the competitiveness are improved.