A self-adjustable pectus reconstruction system including: a pectus reconstruction bar having a first end and a first slot disposed on the first end； a first fixing unit having a first channel； and a first connector, wherein the first end of the pectus reconstruction bar is disposed in the first channel of the first fixing unit, and the first connector passes through the first slot to combine the pectus reconstruction bar with the first fixing unit, such that the first slot of the pectus reconstruction bar is capable of sliding back and forth around the first connector.
