Pillowcase of cervical vertebrae health-care pillow

The utility model provides a pillowcase of a cervical vertebrae health-care pillow, which is formed by connecting an upper pillowcase and a lower pillowcase. An inner pillow bag capable of accommodating a first headrest core is sewn at the headrest area in the center of the upper pillowcase, a left ear slot area and a right ear slot area are sewn and enclosed at the face rest area on the left and right sides of the upper pillowcase, a plurality of vertical barriers are arranged in the lower pillowcase, and an outer pillow bag is arranged on the back side of the lower pillowcase. The utility model can assemble a plurality of pillow cores of a main pillow together by adopting the upper pillowcase with a special structure, and assemble the pillow cores of the main pillow together by adopting the lower pillowcase with the special structure, the back-lying and side-lying physiologic camber of the main pillow and the shape of a bolster are formed, and the main pillow and the bolster are connected into a whole throu