Based on the background that the popularity of navigation software and mobile Internet is quite high, the road conditions of urban roads are becoming more and more complex, and the travel difficulty of visually impaired people is gradually increasing. However, the traditional guide rod has long been unable to meet the travel needs of visually impaired people, and it is also quite inconvenient for blind people to use mobile navigation software. The author proposes to use stereo to guide the visually impaired to guide the direction of the sound to avoid obstacles and reach the navigation destination. The appearance design of the product focuses on the high integration, professionalism and futurity of the scientific and technological content, and the form is presented in a simple and streamlined manner. The interaction pays attention to the easy touch and feedback of keys, reflects the care design, has long endurance in use and can be connected to the charging treasure at any time, and has no endurance anxiety.