The invention discloses monitoring terminal equipment and a monitoring system. The monitoring terminal equipment comprises an acquiring device for acquiring temperature data and equipment data, a communication device connected with the acquiring device for sending the temperature data and the equipment data to transformer terminal equipment and receiving a control instruction returned by the transformer terminal equipment, and a control device connected with the communication device for controlling an operation state of electric heating equipment according to the control instruction, wherein the transformer terminal equipment generates the control instruction according to the temperature data, the equipment data and preset control rules. The monitoring terminal equipment solves the technical problem of insufficient capacity of a power grid caused by shock of the power grid due to concentrated and disordered connection of the electric heating equipment into the power grid in the prior art.