The invention provides a steam type auto-cleaning beverage valve. The steam type auto-cleaning beverage valve comprises a main valve body, the lower portion of the main valve body is provided with a check module, the lateral edge of the main valve body is provided with a cleaning box, a heating chamber and a clear water chamber are arranged in the cleaning box, the tops of the heating chamber and the clear water chamber are flush, the heating chamber and the clear water chamber are separated through a middle wall, an elastic tightening cover plate is arranged above the heating chamber and the clear water chamber, and the cover plate is elastically tightened on the middle wall; and a horizontal cylindrical sliding chamber is designed in the main valve body, a sliding block being able to horizontally slide is designed in the sliding chamber, and the front end of the sliding chamber is connected with the bottom of the clear water chamber through horizontally coaxially processed cleaning holes. The cleaning box realizes water saving in the whole cleaning process, less water residual in the main valve body and fast cleaning speed.