Large LED display thermometer

The utility model discloses a large LED display thermometer, which includes a first collection control unit formed by a temperature sensor and a first central processing unit, at least one drive control unit, and at least one group of LED high brightness lamp tubes, wherein all the drive control units are formed by central processing units and the LED high brightness lamp tubes; a signal output terminal of the drive circuit for the LED high brightness lamp tube is connected with one group of LED high brightness lamp tubes; a signal output terminal of the temperature sensor is connected with a signal input terminal of the first central processing unit; a communication terminal of the first central processing unit is connected with a communication terminal of the central processing unit of each drive control unit through a ModBus; and the height of the illuminating parts of the at least one group of LED high brightness lamp tubes corresponds to the corresponding temperature value. In the large LED display therm