The present invention relates to a cervical vertebrae pillow, which stably supports the cervical spine of the user to correct the shape of the cervical spine distorted by the user's wrong posture, thereby efficiently treating and correcting the neck disc. In particular, since the front and rear width of the cervical spine support part can be more easily adjusted according to the length of the cervical spine, there is an effect that the cervical spine support part can more stably support the cervical spine of the user.
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