The present invention discloses a folding table that can be quickly increased in height, including a first table leg and a second table leg arranged oppositely. The bottom end of the first table leg is provided with a first adjustment bar that can flip to achieve height adjustment, and the bottom end of the second table leg is provided with a second adjustment bar that can flip to achieve height adjustment. By simply flipping the first adjustment bar and the second adjustment bar outward simultaneously to a vertical state, the foldable leg frame can quickly increase in height. Additionally, by providing a locking mechanism, the stability of the folding table is further enhanced.