A bottle pushing mechanism for a tunnel type sterilizing dryer, includes a bottle pushing block (2) and at least one barb (5) cooperated with meshes of a transmitting mesh belt (1). The barb (5) is connected with the bottle pushing block (2). The bottle pushing block (2) could move along with the transmitting mesh belt (1) by the barb (5). The bottle pushing mechanism has a simple and compact structure, convenient installation, high reliability, good transmitting effect and no pollution.