The utility model discloses an organic fertilizer environment-friendly deep application irrigation intelligent system which comprises an organic fertilizer liquid preparation unit, an organic fertilizer liquid conveying unit, an organic fertilizer liquid application unit and a centralized electric control unit. The organic fertilizer liquid preparation unit comprises an underframe I, a walking device, a mixing and stirring box and an organic fertilizer liquid processing electric control device; the organic fertilizer liquid conveying unit comprises an organic fertilizer conveying pipeline; theorganic fertilizer liquid applying unit comprises a reel type PE pipe supply device, a deep ploughing and fertilizing device and an organic fertilizer liquid applying electric control device. According to the environment-friendly deep application and irrigation intelligent system for the organic fertilizer, on the premise that deep ploughing and fertilization of farmyard manure are achieved and environmental pollution is reduced, the overall size and weight of fertilization equipment are reduced, and rolling compaction of farmlands is reduced; meanwhile, long-distance and large-area one-timeintelligent fertilization operation can be achieved, then efficient organic fertilizer application can be achieved, and the device is particularly suitable for applying organic fertilizer to large farmlands near a farm.