PROBLEM TO BE SOLVED: To provide a unilateral hearing loss display device capable of informing the other party or a surrounding person of the hearing loss side or the good ear side which can be normally heard when only one ear is difficult to hear. SOLUTION: The unilateral hearing loss display device 11 for notifying a hearing loss ear that is difficult to hear in unilateral hearing loss or a good ear that can be heard normally, and a character for identifying the hearing loss ear or a good ear. It has a display unit 20 provided with a display area for displaying at least one of a symbol and a symbol, and an attachment unit 30 for attaching the display unit to a hearing-impaired ear or a good ear. [Selection diagram] Fig. 1
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