Reminding method for blind guiding crutch based on ultrasonic measurement

The invention discloses a reminding method for a blind guiding crutch based on ultrasonic measurement. The blind guiding crutch comprises a crutch body, a first vibration module, a second vibration module, a sound reminding module, a first ultrasonic measuring module, a second ultrasonic measuring module, a control module, a power supply module and a water drop sensor, wherein the first vibrationmodule is arranged on the left side of a handgrip part of the crutch body, and the second vibration module is arranged on the right side of a handgrip part of the crutch body; the first and second ultrasonic measuring modules are horizontally arranged on the front surface of the upper part of the crutch body; the water drop sensor is arranged at the bottom part of the crutch body; and the controlmodule and the power supply module are all arranged in the crutch body. During operation, the control module controls the sound reminding module to operate when the water drop sensor senses water, andcontrols the first vibrati