Abstract: A health-diet sandal which comprises a shoe sole having a heel portion adapted for biasing against an arch portion of a wearer's foot, and a shoe body comprising a vamp attached on top of the shoe sole to define a foot chamber between the vamp and the shoe sole, and an elongated elastic unit having two ends extended from two sides of the vamp adapted for mounting behind a heel of the wearer's foot, so as to hold the wearer's foot within the foot chamber in position. Therefore, the nervous distributed around the arch portion of the wearer's foot is able to be stimulated by the heel portion of the shoe sole for improving the wearer's blood circulation and metabolism.