Sleeping pillow convenient to maintain

The utility model discloses a sleeping pillow convenient to maintain, which comprises a pillow core sleeve and a pillow core, the pillow core is arranged in the pillow core sleeve, and the pillow coresleeve and the pillow core are mutually independent; a pillow inner sleeve vertical wall is arranged on the side portion of the pillow inner sleeve, and an opening is formed in the side portion or the bottom of the pillow inner sleeve. Cuff-shaped filling openings are further formed in the pillow inner. The pillow core sleeve and the pillow core which are mutually independent are arranged; a vertical wall is arranged at the side part of the pillow inner sleeve; the opening is formed in the bottom of the pillow inner sleeve, more cuff-shaped filler openings are further formed in the pillow inner, the sleeping pillow of a novel structure is formed, and compared with the traditional mode that the pillow inner sleeve and the pillow inner are of an integrated non-separable structure, the sleeping pillow has the advant