Abstract: A flushing apparatus for urinals comprises: a housing including a first passage and a second passage adapted to communicate with the flush pipe; an automatic flush device including an electromagnetic valve having a valve stem biased by a first spring, a pressure sensing film provided with a pressure releasing hole and a ring flange, having at least one pressure balancing hole, and mounted below said valve stem with said pressure releasing hole adjoined beneath said valve stem; and a manual flush device having a manual button, a push rod, and a stop valve; whereby, automatic and manual flush operations will be effected without incurring any error action.