The invention relates to the technical field of sewage treatment, particularly to a sewage treatment equipment suitable for discharging sludge. The sewage treatment equipment comprises a barrel, wherein a sealed cavity is arranged in the barrel; a filtering device is arranged in the middle of the cavity; the side wall of the cavity is provided with a water inlet and a sludge outlet; the horizontalpositions of the water inlet and the sludge outlet are lower than the filtering device; the cavity is provided with a baffle plate below the filtering device; the baffle plate is characterized in that a plurality of vertical clapboards are vertically arranged at interval to form the bending and roundabout channel of water stream; the upper part of the cavity is provided with a water and air separation device; the water and air separation device is provided with a liquid inlet, a liquid outlet and an air outlet; a purification device is arranged out of the barrel; the purification device is connected with the liquid outlet through a pipeline; the purification device consists of an anaerobic chamber, an aerobiotic chamber and a disinfection chamber. The sewage treatment equipment is provided with a water and sludge shunting system to improve processing efficiency and purification efficiency.