The utility model relates to a solid material's measuring in the coal industry plate circulating fluidized bed gasification reaction ware in the energy chemical industry field, solid sampling device in concretely relates to circulating fluidized bed gasification reaction ware. A circulating fluidized bed gasification reaction ware solid sampling device, is including the sampling device and the cyclone that connect gradually, sampling device and process pipeline are connected, cyclone connects the sampling container through flow controller joining technology pipeline, lower extreme in the upperend, sampling device still is connected with process pipeline through pressure transmitter, still include CO2 purging pipeline, CO2 purging pipeline is divided into three group's pipelines, and firstgroup tube coupling is at the sampling device both ends, and the pipeline through of second group crosses the flow controller and connects the pipeline to and the flow controller between the pipelineon be equipped with the manometer, third group tube coupling is at the pressure transmitter both ends. The utility model discloses guarantee the institute sample thief representative.