The invention discloses a crawler belt type heater. The crawler-type heater comprises a plurality of heating blocks which are connected with each other, and further comprises at least one mounting block, at least one mounting block is configured to replace a corresponding number of heating blocks in the plurality of heating blocks, and has the same interconnection structure with the heating blocksin the crawler belt type heater so as to be mutually connected with the heating blocks, and the mounting block are configured to be provided with a temperature measuring device so as to measure the temperature of a workpiece heated by the crawler belt type heater. The crawler belt type heater is provided with the mounting blocks so that the temperature measuring device can be fixed conveniently,and then a more accurate measuring result can be obtained when the temperature measuring device is used for measuring the workpiece heated by the crawler belt type heater.