a trolley leveler, including a main body of the trolley leveler; wherein a first positioning tag and a main control device are arranged on the trolley leveler; the first positioning tag is configured to measure position parameters for the trolley leveler, and the main control device is configured to control a moving position, an operation state and a data interaction of an unmanned aerial vehicle (UAV) temperature measurement device; and the first positioning tag is arranged on a handle of the trolley leveler;

the UAV temperature measurement device, including a quad-rotor unmanned aerial vehicle (UAV), a temperature measurement module, a control chip, and a second positioning tag; wherein an instruction from a control system is accepted by the control chip to control the quad-rotor UAV to move to a position under an operation area of the trolley leveler, and to control the temperature measurement module to measure a temperature in the operation area, and the second positioning tag is configured to detect a position of the UAV temperature measurement device to enable the UAV temperature measurement device to reach a designated position;

an indoor positioning device, wherein the indoor position device includes two sets of ultra wide band (UWB) indoor positioning devices, respectively including a positioning tag, positioning base stations, and the two sets of the UWB indoor positioning devices are respectively configured to convert position information of the trolley leveler and the UAV temperature measurement device into position parameters; the positioning base stations are arranged around operation areas of the trolley leveler and the UAV temperature measurement device, and cover signals in the operation areas, and are configured to detect the position information of the trolley leveler and the UAV temperature measurement device and upload the information to the control system for a summary analysis; and

the control system, including the main control device installed on the trolley leveler, configured to intelligently control a leveling time and a leveling temperature in a leveling area, and display the leveling temperature in the leveling area through a display screen; to transmit data through a wireless local area network and the UAV temperature measurement device, and control the UAV temperature measurement device to move to the designated position, to complete a leveling operation efficiently; wherein a specific process of the control system includes that the UAV temperature measurement device is assisted by the control system to reach the designated position through one of the UWB indoor positioning devices, when the UAV temperature measurement device is reached the designated position, the trolley leveler is started to operate, and at the same time, the temperature measurement module of the UAV temperature measurement device is started to measure the leveling temperature in the leveling area, and temperature information in a detection area is sent to a leveling system through the control chip, when a temperature in the detection area is reached a required temperature, a power of the trolley leveler is automatically controlled by the control system, and the leveling temperature in the leveling area is stabilized at T ° C., and maintained for t seconds; the trolley-type leveler is stopped operating, so that an automatic temperature control function of the leveling system is implemented.