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This invention discloses a multi-frequency sound wave sleep aid and mood guidance device, belonging to the field of sleep aid equipment technology. It includes an eye mask mechanism, with a strap mechanism fixedly connected to one side of the eye mask mechanism. Two sleep aid guidance mechanisms are disposed on the strap mechanism, each including a sliding sleeve with a side mount fixedly installed on one side. This invention features a multi-frequency sound wave sleep aid guide with a microphone on its outer side and a speaker on its inner side near the ear. This allows for easy access to preset modes within the multi-frequency sound wave sleep aid guide. A multi-scene mode storage module is designed, pre-setting modes for bedroom sleep, office naps, and travel portability, each with corresponding exclusive sound wave parameters and anti-interference settings. An environmental noise adaptation unit is included, with a built-in microphone collecting ambient noise and automatically adjusting the sound wave loudness and frequency gain to cancel noise interference and ensure effective mood guidance.