Volleyball spiking training device capable of being practiced by single person

One or more embodiments of the invention provide a volleyball spiking training device capable of being practiced by a single person. The volleyball spiking training device comprises a power mechanism, an angle adjusting mechanism and a spraying mechanism, the power mechanism is provided with an angle adjusting mechanism for controlling the spraying angle, and meanwhile the power mechanism provides power needed by spraying for the spraying mechanism. The injection mechanism comprises an air cavity pipe, an injection pipe is installed at one end of the air cavity pipe, a sealing piece is arranged in the air cavity pipe in a sleeved mode, an air pipe is fixedly installed at one end of the sealing piece, and an ejection head is fixedly installed at the top end of the air pipe. The distance and the height between the ball net and the equipment are input into the computer, the opening of the solenoid valves for discharging balls is randomly controlled, the spraying effect is achieved, and meanwhile the goal of trai