The invention discloses a rod-shaped control device which comprises a rocker cap, a connecting rod and a gas pump, wherein a first horizontal through hole and a second horizontal through hole are formed in the rocker cap, and two ends of the second horizontal through hole communicate with external space; multiple vertical small holes are formed in the top part of the rocker cap; the connecting rod comprises a rotary section and a fixed section, outer threads are disposed on the bottom of the rotary section, the fixed section is cylindrical, inner threads are disposed in the fixed section, and the bottom of the rotary section is in threaded connection with the fixed section; the connecting rod is disposed in a perpendicular manner, and the top of the rotary section is connected to the center of the bottom of the rocker cap; a gas pump storage groove is formed in the rocker cap, a gas pump is fixed in the gas pump storage groove, an outlet of the gas pump is upward, and an inlet of the gas pump is downward; and a gas hole of which one end communicates with the inlet of the gas pump, and the other end is located at the bottom face of the rocker cap is also formed in the rocker cap. According to the invention, slipping caused by sweat accumulation between a thumb and the top part of the rocker cap can be avoided; and the device is applicable to operations of thumbs with different sizes.