Myopia prompter

The utility model relates to a myopia prompter, which belongs to a prompter, in particular to a prompter for prompting if the distance between the eyes and a book is too small. The myopia prompter comprises a small box, a cell and a switch and is characterized in that an oscillator is connected with a driving triode, and the driving triode is connected with an infrared light-emitting diode; and an infrared receiving module is connected with an inverted triode, the inverted triode is connected with a power amplifier triode, and a load of the power amplifier triode is a buzzer. An infrared beam passes in front of the forehead of a child, and when the head of the child is low, the infrared beam is fed back by blockage, the buzzer sounds to prompt that the eyes are too close to the book and the head needs to be raised, and the sound stops after the head is raised. The buzzer sounds frequently to prompt parents to pay close attention to the eyes of the child.