The utility model discloses a portable sulphur mortar agitating unit, include: the automobile body, its bottom is provided with the walking wheel, the support body, it sets up on the automobile body,the furnace body, it is connected to aotration clamping mechanism driving shaft, and aotration clamping mechanism driving shaft rotatably sets up on the support body, and the furnace body sets up in the support body, and the furnace body includes furnace, sets up the stirring vane inside furnace and set up the outside heater block in furnace that furnace has the feed inlet, rotary driving mechanism, it is connected to aotration clamping mechanism driving shaft, applys rotary driving power to aotration clamping mechanism driving shaft. The utility model provides it is high to the stirring nature of sulphur mortar and temperature control's accuracy nature, overcome the manpower and stirred the inhomogeneities who brings and avoid sulphur to cause the injury to the human body, march through walking the road wheel, do not need the artifical sulphur mortar that shifts, improved the efficiency of sleeper anchor operation.