Tea stem pillow capable of improving sleep quality

The invention discloses a tea stem pillow capable of improving sleep quality, which comprises an outer pillowcase, a detachable mechanism is arranged on the surface of one side of the outer pillowcase, the detachable mechanism comprises a magic tape, an adhesive tape and a bamboo mat, and an opening and closing mechanism is arranged on one side, away from the detachable mechanism, of the outer pillowcase. The opening and closing mechanism comprises a first opening, a zipper strip and a zipper head; a storage groove is formed in the outer pillowcase, and a bamboo charcoal bag is arranged in the storage groove. When the device is used at the position of a headrest in a vehicle, a first connecting belt in the left side storage mechanism is pulled out, then a second connecting belt in the right side storage mechanism is pulled out, and then a buckle at the end of the first connecting belt and a clamping head at the end of the second connecting belt are clamped and fixed; the first connecting belt and the second c