The present invention relates to a safety helmet having a function, and more particularly, to an IOT functional safety helmet capable of protecting not only the head of a wearer (user) but also the eyes of a wearer (user) with the acquisition of related information executed in a work environment. According to the present invention, a hard hat body worn on the head; A circuit module provided in the hard hat body and connected to a work object in at least one of wired and wireless methods; And an information display unit provided on one side of the circuit module and disposed in front of the hard hat main body, for visually displaying information measured or detected by the circuit module.
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