A refrigeration cycle device includes at least a condenser, an expansion valve, an evaporator and a plurality of compressors, a sealed casing of each of the compressors is disposed with a rotary compression mechanism part in communication with a low-pressure path and a motor part configured to drive the compression mechanism part, the low-pressure path is in communication with the evaporator, each of the compressors is further provided with an oil storage cavity, and a gas discharge path of at least one compressor is connected with the sealed casing of another compressor.