PURPOSE: To provide a spray washing apparatus not requiring procedure selecting the content of car washing at each time of car washing to perform input operation and capable of efficiently performing car washing work in a car washing machine receiving member car washing through a member's card.

CONSTITUTION: The content of car washing selectively inputted by a selective input means is registered at every member under predetermined conditions. When there is start input in such a state that there is no selective input at the time of the reception of member car washing, car washing is executed on the basis of the registered content. Water pressure changeover means 13,17 changing over the pressure of washing water to at least two low and high pressure stages, a means 30 mixing air with washing water and a means performing control successively applying a washing process are provided.