Constant-temperature nursery stock cultivation device

The utility model belongs to the technical field of cultivation devices, and particularly relates to a nursery stock constant-temperature cultivation device, a controller can control opening and closing of a sprayer and spraying time, the sprayer is controlled to spray liquid medicine to nursery stocks in a containing groove by operating the controller, and when the spraying time is enough, the sprayer is closed, and the nursery stocks in the containing groove are sprayed with the liquid medicine. At the moment, a servo motor is started through a controller, the servo motor rotates to drive a lead screw to rotate, so that a sliding block moves, the sliding block drives a bearing plate to move to the position above a next row of containing grooves, and liquid medicine is sprayed to the next row of nursery stocks; therefore, the problem that when different varieties of nursery stocks are placed in the constant-temperature box, the different varieties of nursery stocks need different dosages, and the device in t