The invention relates to a pair of elastic shoes. Each elastic shoe comprises a vamp (1) and a sole (2) and is characterized in that the sole (2) is provided with a cavity (3) with an upwards opening, and the cavity (3) is internally provided with an air bag (4) matched with the cavity (3); and the side face of the air bag (4) is provided with a micro-cycle valve (5) which extends out from the side wall of the cavity (3). The invention can greatly increase the elasticity of the shoes; when wearing the shoes, people feel very relaxed and comfortable during walking; and the shoes greatly improve walking speed and have effective health-care and treatment effects on heel diseases such as heel bone spur and the like.