Optical fiber coating paint transmittable for deep ultraviolet light

The invention provides optical fiber coating paint transmittable for deep ultraviolet light, a preparation method and an application thereof. The optical fiber coating paint transmittable for deep ultraviolet light comprises 70-83% (by weight) of aliphatic polyurethane acrylate, 15-28% (by weight) of active diluents, 0.05-1% (by weight) of additives, and 1-3% (by weight) of photoinitiators. The optical fiber coating paint of the invention has excellent mechanical properties and tolerance, can be etched directly without stripping, and can improve grating intensity and reliability.