To provide an injection molding machine, a state notification system of the injection molding machine and a state notification method of the injection molding machine capable of appropriately notifying a maintenance state.SOLUTION: An injection molding machine 11 comprises: detection means 35 which detects that an operating state of the injection molding machine 11 is a non-steady value V; and counting means 29a which counts an integrated value N composed of at least one of the number of conversion hours and the number of conversion frequencies. The injection molding machine 11 further comprises notification means 29, 30 which notify maintenance states A, B of the injection molding machine 11 when a value M calculated from both the non-steady value V and the integrated value N reaches prescribed threshold values ma, mb or exceeds the threshold values ma, mb.SELECTED DRAWING: Figure 1
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