A fluid injection system includes: a first apparatus which is attached to a human body and injects a fluid into the human body and a second apparatus which is attached to a wrist of the human body and remotely controls the first apparatus, wherein the second apparatus includes an entry section accepting an entry of an operation command to the first apparatus and a first communicating section transmitting the operation command to the first apparatus, and the first apparatus includes a second communicating section receiving the operation command, a storing section storing the fluid, and a transporting section transporting the fluid from the storing section and injecting the fluid into the human body based on the operation command.
