PROBLEM TO BE SOLVED: To provide a diving mask and a diver support to give useful information to a worker on the water in selecting a rescue method for the diver when an abnormality occurs while the diver is working underwater. To provide the system. A diving mask worn by an underwater worker includes an inward image pickup unit 13 capable of imaging at least one eye of the underwater worker, which is one of the underwater devices 10 worn by the underwater worker, and the underwater. It is equipped with a regulator device for workers to breathe underwater. The diver support system 1 includes a diving mask, the underwater device 10 worn by the underwater worker, and a monitoring device 32 telecommunications connected to the underwater device 10, and the underwater device 10 further includes a monitoring device 32. , The depth measuring unit 15 is provided. [Selection diagram] Fig. 1
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