Manual Dewatering Screw Press adopts screw slag feeding and extrusion system. The separated dung residue is subject to secondary extrusion to reduce the water content of the dung residue. In addition, an extrusion sewage discharge outlet is set before slag discharge. It can ensure that the moisture content of the separated manure residue is less than 60%. At the same time, the dry and wet can be adjusted according to the user's aquaculture and cleaning mode. No leakage sewage and secondary environmental pollution will be produced during the packaging, transportation and use of the waste residue, and its performance is superior to other similar products at home and abroad. The moisture content of dung residue can be adjusted by the moisture content regulating frame at the outlet of dung residue. Make the dung residue reach good fermentation humidity.