The invention discloses a field straw resource utilization integration device and belongs to the field of biomass processing equipment. The integration device comprises a crushing, screening and mixing all-in-one machine, a conveying device, a hydraulic machine and a dryer which are sequentially arranged in the production line direction. The crushing, screening and mixing all-in-one machine comprises a machine body casing, a power device, a transmission shaft, a smashing blade, a smashing layer base plate, a stirring paddle I, a screening layer base plate, a stirring paddle II, a stirring layer base plate, a filter screen, a first controllable switch, a second controllable switch, a spraying device and a glue feeding port, wherein the transmission shaft, the smashing blade, the smashing layer base plate, the stirring paddle I, the screening layer base plate, the stirring paddle II, the stirring layer base plate, the filter screen, the first controllable switch, the second controllableswitch, the spraying device and the glue feeding port are located in the machine body casing. A controllable channel is further arranged outside the machine body casing. The conveying device comprisesa first conveyor belt and a second conveyor belt. According to the field straw resource utilization integration device, field straw resource utilization can be implemented, and the problem of environmental pollution acceleration caused by straw burning is alleviated. The device can be used to produce diversified products, such as fireproof thermal insulation boards, municipal flowerpots, paperboards, straw fiber boards and the like.