Seeing that others have done it, the basic principle is to sew the broken finger to the abdomen, and the abdomen provides it with "nutrition".

When I grow up, I am as long as a normal person except for no joints and nails.

Let your brother go to the hospital for hand surgery first.

If not, it is not difficult to find a surgeon who can do microsurgery in a plastic surgery hospital.

Hu Hongtai, male, deputy chief physician, associate professor, majoring in hand surgery can show your brother.