A rotating shower sprayer includes a housing, a cover plate component, and an impeller rotatably disposed in the housing. The top surface of the impeller has a blade. The eccentric position of the bottom surface of the impeller has a rotating shaft. The housing has an incline hole with respect to the blade. The shower sprayer also has a planetary reducing mechanism disposed in the housing. The planetary reducing mechanism comprises a gear sleeved on the rotating shaft and a fixing gear ring disposed on the internal revolution surface of the housing. The upper portion of the gear has a first stage reducing gear ring engaged to the fixing gear ring. The lower portion of the gear has a driving gear ring. The cover plate component is disposed with a second stage reducing gear ring that engages with the driving gear ring.