The present invention relates to a comfortable shoe structure capable of preventing relative displacement between the shoe pad and the shoe, so as to make the walk comfortable. The shoe structure includes: a sole assembly comprising a big sole and a mid sole integrally formed with the big sole; at least a comfortable block fixed between the big shoe and the mid shoe and partially protruded out of the mid shoe; a vamp, a lower edge of which located between the big sole and the mid shoe.