The invention discloses a passion flower cutting machine. The passion flower cutting machine comprises a machine frame, a layer board, a feed hopper, a discharge hopper, a left machine frame column and a right machine frame column, the upper end of the left machine frame column and the upper end of the right machine frame column are provided with a left lifting movable sleeve and a right lifting movable sleeve respectively and are connected with the left lifting movable sleeve and the right lifting movable sleeve respectively through a transverse rod, a plurality of strips of charging barrels penetrating through the layer board are arranged below the transverse rod and are connected with the layer board at the penetrating and inserting position, each charging barrel is internally provided with a piston rod, the upper end of each piston rod is connected with the transverse rod, the lower end of each piston rod is connected with a piston of the corresponding charging barrel, a feed port is formed in the side face of each charging barrel and located below the corresponding piston, cutting blades are arranged at the lower ends of the charging barrels, a balance pressing rod is provided with a left ejector rod, a right ejector rod and a pressing rod movable sleeve at the right end, the left ejector rod and the right ejector rod are connected with the transverse rod, a rotating shaft is arranged below the layer board, a gear and an eccentric wheel are arranged at the right end of the rotating shaft, a fixed shaft and a fixed shaft movable sleeve are arranged above the eccentric wheel, and the fixed movable sleeve is connected with the pressing rod movable sleeve through a connection rod. The passion flower cutting machine has the advantages of being simple in structure, easy to manufacture, and capable of relieving labor intensity for machining of passion flowers and greatly improving production efficiency.