A liquid transport device is attachable to a living body and transports a liquid into the living body. The liquid transport device includes a storage portion that stores the liquid a pumping portion that transports the liquid in the storage portion to the living body by compressing a tube and an injection portion that injects the liquid which is transported by the pump portion into the living body. The injection portion is disposed between the storage portion and the tube when viewed from the direction perpendicular to the surface of the living body to which the liquid transport device is attached. Such a liquid transport device is reduced in size.
