Abstract: The present utility model provides a pillow with adjustable height, which comprises a pillow body and an airbag; the pillow body is internally provided with a cavity for accommodating an airbag; the airbag is arranged on the lower bottom surface of the cavity and expands towards the direction close to the upper top surface of the cavity after inflation; the pillow body extends towards the direction close to the cavity at the connecting part between the side wall of the cavity and the upper top surface to form a thickened transition region. According to the pillow with adjustable height, when lying on the back and on the side, the pillow has better support strength to the neck and the head. There will be no obvious collapse feeling and the comfort level of users will be increased.