What are the uses of a building management system?

In addition to previous  BMS is the brain that can control every thing on any building, the important use of BMS is to save energy by monitoring and controlling every thing

Building management system is mainly used as an computer-based control system installed inside the buildings like access control system, fire alarm system, CCTV etc., Building management system purpose is controlling and monitoring such equipments.
They are used for the security purpose and welfare of the peoples inside the building.
Without this system there will not be any reputed concern and there will not be any protection for the people inside the concern.

For power consumption From the equipments. Controlling systems