Pig house with urine-excrement separation structure

A pig house with a urine-excrement separation structure comprises a pig house body and a urine-excrement treatment part. The pig house body comprises a roof, a ventilation window, a door and a pig house floor; the urine-excrement treatment part comprises a urine filtering plate, a urine collecting plate, a urine collecting pipe, a methane tank and a pig excrement fermentation plate; one end of thefloor is provided with a through slot for dropping pig excrement; the urine filtering plate is arranged right below the floor and is provided with holes or gaps through which a liquid can pass; the urine collecting plate is arranged below the urine filtering plate, and a through hole for fitting the urine collecting pipe is formed in the urine collecting plate; collected urine enters the methanetank through the urine collecting pipe on the urine collecting plate; and the pig manure fermentation plate is connected with the urine filtering plate and positioned below the urine filtering plate.The invention provides the