A horizontal tail control system, comprising a driving assembly, a rotating assembly, two horizontal tails and a center rod, wherein the two horizontal tails are capable of being rotatably supported on a fuselage through the rotating assembly, wherein a center shaft of the rotating assembly is parallel to length extension directions of the two horizontal tails, wherein the driving assembly is configured to drive the two horizontal tails to rotate around the center shaft of the rotating assembly; wherein two ends of the center rod are respectively connected and fixed to the two horizontal tails; the center rod is rotatably supported on the fuselage through the rotating assembly, and is driven by the driving assembly to rotate around the center shaft of the rotating assembly; wherein the driving assembly comprises a rudder and a connecting piece, one end of the connecting piece is hinged with a driving shaft of the rudder, and the other end of the connecting piece is connected and fixed to the center rod, wherein the driving shaft of the rudder is capable of moving in an axial direction of the driving shaft of the rudder to drive the center rod to rotate through the connecting piece; wherein outer contours of the two horizontal tails are streamlined, and the two horizontal tails have hollowed structures, the hollowed structure is provided with a supporting rib, the supporting rib is passed through by an end of the center rod and is fixed and connected to the center rod by bolts; wherein at least a shaft section at an end portion of the center rod has a solid structure, a side wall of the supporting rib facing the center rod is provided with a mounting groove, and the shaft section at the end portion of the center rod is supported at the mounting groove; wherein the horizontal tail control system further comprises a screw arranged axially, the screw passes through a bottom wall of the mounting groove to connect and fix the center rod; wherein the connecting piece comprises a sleeve, a middle rod section of the center rod is mounted inside the sleeve, and coaxial through holes are provided on the middle rod section and the sleeve to mount a fastening bolt; wherein the connecting piece and the driving shaft of the rudder are connected by a ball bearing, and an end of the connecting piece facing the rudder is provided with a U-shaped mounting frame, and the ball bearing is mounted between two parallel walls of the U-shaped mounting frame; wherein the rudder is a linear rudder. wherein the driving assembly comprises a rudder and a connecting piece, one end of the connecting piece is hinged with a driving shaft of the rudder, and the other end of the connecting piece is connected and fixed to the center rod, wherein the driving shaft of the rudder is capable of moving in an axial direction of the driving shaft of the rudder to drive the center rod to rotate through the connecting piece; wherein outer contours of the two horizontal tails are streamlined, and the two horizontal tails have hollowed structures, the hollowed structure is provided with a supporting rib, the supporting rib is passed through by an end of the center rod and is fixed and connected to the center rod by bolts; wherein at least a shaft section at an end portion of the center rod has a solid structure, a side wall of the supporting rib facing the center rod is provided with a mounting groove, and the shaft section at the end portion of the center rod is supported at the mounting groove; wherein the horizontal tail control system further comprises a screw arranged axially, the screw passes through a bottom wall of the mounting groove to connect and fix the center rod; wherein the connecting piece comprises a sleeve, a middle rod section of the center rod is mounted inside the sleeve, and coaxial through holes are provided on the middle rod section and the sleeve to mount a fastening bolt; wherein the connecting piece and the driving shaft of the rudder are connected by a ball bearing, and an end of the connecting piece facing the rudder is provided with a U-shaped mounting frame, and the ball bearing is mounted between two parallel walls of the U-shaped mounting frame; wherein the rudder is a linear rudder.