A passive air-discharging clothes hanger, comprising a body (3) and a connector. The body (3) is a hollow structure and the side wall thereof is provided with multiple air nozzles (31); the connector comprises a flexible adapter (1) sleeved on an air outlet of a blower and an air duct (2) connected to the body (3). During use, first, clothes to be dried are hung on the body (3); and then, the flexible adapter (1) is mounted to the air outlet of the blower, and the blower is turned on and is adjusted to blow hot air. The hot air is transmitted to the body (3) by means of the air duct (2), and finally is blown out of the air nozzles (31) to the clothes. Under continuous blowing of the hot air, the clothes can be dried quickly, and even on rainy days or on a trip, the clothes can also be dried quickly, so that the need of a user for drying clothes is met. By virtue of external hot air, the passive air-discharging clothes hanger has low costs.