The utility model provides a transformer substation's protection cell environmental monitoring and control system, including environment monitoring module, household electrical appliances control module, video surveillance module, controller, cluster server ware, environment monitoring module is including temperature detecting element, the humidity detecting element who responds to and take notes indoor humidity who responds to and take notes indoor temperature, the smog monitor cell who surveys smog concentration, household electrical appliances control module and indoor household electrical appliances intercommunication, video surveillance module includes the entrance guard monitor cell and the indoor monitor cell of the inside and outside condition of monitoring room, environment monitoring module, household electrical appliances control module, video surveillance module, controller and cluster server ware pass through the internet access, the cluster server ware has cell -phone control end and computer control end through wireless network connection. The beneficial effects of the utility model are that: people can interior each office equipment of anytime and anywhere control protection cell to the monitoring room internal environment, resource utilization rate is high, one -tenth wood is low, the performance is good, stability is high.