What are the working principles of directional walking training for blind people?

The working principles of directional walking training for blind people are as follows.

1. Based on the principle of pertinence, we should go deep into the families of blind people and focus on their families and workplaces based on their specific needs.

2. Safety first principle to ensure the life safety of blind people.

3. The principle of practicality, implement the ideas of urgent use first, learning first, practicality first, effect first, and pay attention to practical results.