Vertical banknote and coin change system for bus coin box, including button module and LCD display set outside the coin box, controller, coin feeding mechanism, banknote and coin sorting mechanism, banknote sorting mechanism, and banknote change mechanism , a coin sorting mechanism and a coin change mechanism, wherein the button module, the liquid crystal display, the banknote change mechanism and the coin change mechanism are connected to the controller, the entrance of the coin feeding mechanism is set correspondingly to the coin slot of the coin box, and the coin After entering the coin box through the coin feeding mechanism, it is sorted by the banknote and coin sorting mechanism. The banknote and coin sorting mechanism sends the separated banknotes to the banknote sorting mechanism, and the banknote sorting mechanism sends the banknotes to the corresponding banknote change mechanism according to the face value of the banknotes. , the coin falls into the coin sorting mechanism below it after passing through the banknote coin sorting mechanism, and the coin sorting mechanism sends the coin to the corresponding coin change mechanism according to the diameter of the coin; zero.