The invention discloses an energy-storing system comprising a switch cabinet, a transformer, a power distribution cabinet, a current transformer, a breaker, and a battery pack which are connected in series and comprising a battery pack management system and a dynamic loop monitoring system which are connected with the battery pack. The dynamic loop monitoring system comprises a processor, an execution unit and an environmental parameter monitoring unit for monitoring an environmental parameter of the energy-storing system. The environmental parameter monitoring unit is connected with a processor. The execution unit is connected with the processor and is used for operating in response to an instruction of the processor and indicating that the environmental parameter complies with an abnormal condition. The internal environment of the energy-storing system is monitored and the energy-storing system can be timely treated once the internal environment is abnormal.