1, must obtain the driving qualification of medium-sized bus (B 1) or large truck (B2) for more than three years;

2. Or have obtained the driving qualification of a large bus (A 1) for more than one year;

3. There is no record of 12 in the last three consecutive scoring cycles before the application.

Physical condition:

1, the age must be over 26 and under 50;

2, height 155 cm or more;

3. The naked vision or corrected vision of both eyes is above 5.0 in logarithmic visual acuity chart, and they are not red-green color blindness;

4. Two ears are 50 cm away from the tuning fork to distinguish the direction of sound source;

5, the thumbs of both hands are sound, and the other fingers of each hand must have three fingers;

6 limbs, fingers normal motor function, trunk, neck without motor dysfunction.