Neckerchief for protection

The utility model provides a protective scarf, and belongs to the technical field of medical protectors. The medicine is mainly used for reducing radiation to surrounding people in the isolation period after 131 iodine treatment of a thyroid cancer patient. According to the medical radiation protection scarf, the scarf tying belt assembly, the lead leather bag assembly and other structures are matched, and therefore the problems that the medical radiation protection scarf is large in area, not attractive and not capable of monitoring the radiation dosage in real time are solved. Meanwhile, the neckerchief lacing assembly and the lead sheath bag assembly are combined together, and the zipper and the zipper puller are arranged on the surface of the top of the neckerchief lacing assembly, so that the neckerchief lacing assembly can be conveniently opened and closed to replace the internal lead sheath. When the neckerchief is worn for a long time, the neckerchief is stained due to sweating or other factors, and t