“Natural Instrument” is a series of interactive installation produced by A&Alison. The Natural In-strument installation is included three sculptures with interactive sensors. The project challenges human-machine relationship in future. The instruments is by depicting the metaphor of “Life”, to let audiences interact with instrument naturally . These installations are presented against the natural interaction in future. Fear of arti cial intelligent has in recent years effected human-machine relationship, and speci cal-ly, the belief in human’s future for existing. Instruments shows the metaphor of the organs that be-come more and more arti cial. How do people live with machine, this is our question now.