This solid liquid separator dehydrator has small volume, low speed, simple operation, convenient installation, maintenance, cost, high efficiency, investment recovery fast, etc.Livestock waste can be separated into liquid organic fertilizer and solid organic fertilizer. Liquid organic fertilizer can be applied directly to crops by absorption, solid organic manure can be used to the lack of fertilizer region, may also have the effect of improving soil structure, organic compound fertilizer after fermentation can be made at the same time.