Tennis training aid with automatica serve function

The utility model discloses a tennis training aid with automatica serve function, keep off device and apparatus for launching balls including enclosing, enclose and keep off the device and include stand and purse seine, these the stand between enclose into the training region, apparatus for launching balls place in including a motor, an end cap, a controller, and a cover plate. Apparatus for launching balls including the ball box, service mechanism and the supporting mechanism that are used for depositing the netting ball. Utilize the ramp to lead to the tennis in this apparatus for launching balls's the ball box, avoid the card to die, service pipe pipe diameter value through reasonable in design, guarantee at every turn that only a tennis is located the route of serving a ball, it is single bill ball, adopt high calming the anger to blow out the tennis in the service pipe, simultaneously, switch -on or disconnection that the height was calmed the anger are controlled through the action bars on the handrail,