The invention discloses an ecological cow and sheep house comprising an ecological house, a light-supplementing house, a control device and a sterilizing device. A sheet region, a cow region and a plant region are arranged inside the ecological house in parallel, a plurality of inhabiting sheep enclosures are arranged in the sheep region, a plurality of inhabiting cow enclosures are arranged in the cow region, each inhabiting cow enclosure is formed by enclosing of fences, and a plurality of plants are planted in the plant region. LED light-supplementing lamps are arranged in the light-supplementing house which is communicated with the ecological house. The control device comprises a master control unit, a temperature sensor, a humidity sensor, a humidifier and an infrared heater, a temperature interval value and a humidity interval value are set on the master control device which is electrically connected with the temperature sensor, the humidity sensor, the humidifier and the infrared heater electrically. The sterilizing device comprises a spraying tank and a saponated cresol solution 4% in concentration and contained in the spraying tank. Plant planting and cow and sheep breeding are organically combined, the ecological cow and sheep breeding house is environmentally friendly, a traditional pasture breeding mode is changed, and economic benefit of pasture breeding is improved greatly.