The invention discloses a Bluetooth earphone type intelligent myopia prevention instrument. The instrument is characterized by comprising a Bluetooth earphone type casing, wherein the surface of the Bluetooth earphone type casing is provided with a switch, a control button, an indicating switch and a display screen, the Bluetooth earphone type casing is connected with an intelligent range finding and caution prompting control system, the intelligent range finding and caution prompting control system is further connected with a buzzer. The instrument is advantaged in that small volume, light weight and more accurate range finding are realized, pulse and continuous supersonic wave energy-saving work modes are realized, energy consumption is low, interference caution prompting does not occur, eyes can be effectively protected from suffering myopia, and the instrument is an effective product for children eye protection.