The invention discloses a self-offsetting flushing valve button, which comprises: a positive push block is distributed with a plurality of upper guide posts evenly along the circumference; each upper guide post is provided with a first and a second guide surface; a first guide seat is arranged with a first guide channel and a guide bevel; a negative push block is distributed with a plurality of lower guide posts evenly along the circumference and each lower guide post is arranged with a third guide surface at top. A second guide seat is provided with a second guide channel and an upper guide surface as well as a lower guide surface. One end of a first spring is propped to the positive push block and another end is propped to the second guide seat; a second spring is propped to the bottom of the negative push block. Press the positive push block and drive the negative push block to facilitate the flushing valve flushing without needing to positively push for offsetting, the negative push block is able to automatically offset to close the valve and realize the flushing with fixed quantity. Meanwhile, the invention is characterized in compact structure and small bulk, which has no parts easy being damaged and featuring low faulting rate and reliable work.