Multi-layer corrugated carton with adjustable capacity

The utility model provides a capacity-adjustable multilayer corrugated carton which comprises a carton body, a top cover, a partition plate, a buffer layer, air holes, a paperboard, flat filaments, buckles, screws and grooves, the top of the carton body is fixedly connected with a pair of top covers, the carton body is formed by pasting the paperboard, the carton body is square, and the interior of the carton body is of a hollow structure. A plurality of air holes are fixedly formed in the left side and the right side of the box body, a partition plate is fixedly installed in the box body, andbuckles are fixedly installed at the top of the top cover. Through the arrangement of the layers, the size and the number of the interlayers of the corrugated carton are convenient to adjust, the buckles are arranged on the bottom cover, the carton can be opened or closed at any time, the buffer layer is fixedly arranged between the paperboards, and impact force in the corrugated carton can be reduced when the corrugated