The invention discloses an automatic reset device for filter cover tapping feeding. The automatic reset device comprises an automatic tapping machine and filter covers; one side of the automatic tapping machine is provided with a conveying belt; one side of the conveying belt is provided with a flow guide groove; one end of the flow guide groove is provided with a plurality of feeding grooves; thebottoms of the feeding grooves are provided with positioning grooves matched with the feeding grooves; the bottoms of the positioning grooves are provided with material stop plates, and the bottoms of the material stop plates are provided with a rotation conveying disc; the bottom of the rotation conveying disc is provided with a rotation conveying motor; the two ends of the flow guide groove areprovided with second gears, and the bottoms of the second gears are provided with second racks; one end of each second rack is connected with a steering rod through a first connection rod, the middleof the steering rod is connected with the flow guide groove through a second connection rod, the bottom of the steering rod is connected with a transmission rod through a third connection rod, and the outer side of the bottom of the steering rod is provided with a clamping rod; and according to the lever principle of the transmission rod, through gear transmission, a first adjusting rod can automatically recover to the original position, and automatic resetting is achieved.