The invention discloses a rotary compressor inspiration structure. The structure comprises a motor, a compressor body, and an inspiration tube assembly connected to the compressor body, wherein the minimum diameter of air inlets corresponding with the inspiration tube assembly and in the compressor body is d, the apparent work volume of the rotary compressor is set as V, the refrigerating capacity of a unit mass refrigerant in the rotary compressor is set as q, the rotation speed of the motor is n, and the specific volume of the refrigerant under a Chinese standard test condition is v; and for any refrigerant, the minimum diameter of the air inlets in the compressor body under Chinese standards satisfies a case that units of d, V, q, n and v are mm, cm<3>, J / kg, r / min and m<3> / kg respectively.