1. Look at the pupil distance of the child and try to meet the requirement that the distance from the frame to the center is less than or equal to 6mm, especially for functional lenses.

2. Try to bring a nose pad. The child's nose is relatively low, so it is not easy to slide down with a nose pad.

3. Look at the degree. If the degree is high, the frame should not be too big.

4. The lighter the material, the better, mainly silica gel and tr material.

5. Look at your face and choose the right one.