A multifunctional folding push cart, comprising: four vertical posts; a first tray (3) disposed on the top ends of the four vertical posts; a second tray (4) disposed at the middle portion of the four vertical posts; and a third tray (5) disposed at the bottom ends of the four vertical posts, the bottom of the third tray being provided with wheeled feet (14); the four vertical posts are distributed so as to form a cube-like arrangement having open sides; the four vertical posts comprise a first set of vertical posts (1) and a second set of vertical posts (2), respectively arranged front to back in the direction of travel of the push cart; in the lengthwise direction, one end of the first tray is detachably disposed on the second set of vertical posts, and the other end of the first tray is provided with points of articulation at the first set of vertical posts and folds down onto the first set of vertical posts; in the lengthwise direction, one end of the second tray is detachably disposed on the first set of vertical posts, and the other end of the second tray is provided with points of articulation at the second set of vertical posts and may be disposed between the second set of vertical posts; the first set of vertical posts is provided with points of articulation at the third tray and folds down onto the third tray; the second set of vertical posts is provided with points of articulation at the third tray and folds down onto the first tray. The multifunctional folding push cart may be used in various settings and is easy to fold up.