The invention provides a clothes stereo washing and drying method. The method is characterized in that by use of a stereo clothes hanger to support clothes, a sufficient unfolded effect when a personwears the clothes is achieved; and when the clothes are in the sufficiently unfolded state, the clothes are cleaned, dried and shaped. According to the invention, good clothes washing effects are achieved; drying and shaping of clothes can be achieved; and clothes can be worn after being washed. The invention also provides a clothes stereo washing and drying machine for achieving the method. By use of the machine, clothes can be sufficiently washed; good clothes washing effects are achieved; rapid drying and shaping of the clothes are achieved; and clothes can be washed and worn at any time.