Structure of health-care pillow without case

The utility model relates to the structure of health care pillow core. The utility model is characterized in that a fibrous body with a health care function is coated at the outer layer of a fibrous body of which the cross section forms an elliptic shape or a cavernous body, and a pillow core body is formed; then, the extended pillow core body is arranged in a pillow core sleeve of which the cross section is sewed into the elliptic shape, and the structure of the health care pillow core of the utility model is formed. The utility model has favorable health care effect, and the structure and the shape of the utility model respectively accords with the characteristics of ergonomics of human bodies and production performance; the utility model has the advantages of soft and comfortable use, convenient manufacture, and low cost.