Provided is a massage machine in which it is possible to promptly particularize a cause of abnormality or a component required to be repaired (replaced/adjusted) in a case where abnormality occurs, and a diagnostic system of the massage machine. There are provided a massage machine main body that has a treatment portion performing treatment with respect to a user, a running state detecting portion that detects a running state of each of a plurality of predetermined components configuring the massage machine main body, a storage portion that stores the running state, and a control unit that controls an operation of the massage machine main body. The control unit includes an abnormality determining portion which determines the presence and absence of abnormality related to the massage machine main body, and an abnormality outputting portion which outputs information related to the abnormality and information related to the running state in a case where the abnormality determining portion determines that abnormality is present.本發明提供一種於產生異常之情形時，能夠迅速特定出異常之原因或需要修理(更換/調整)之零件的按摩機及按摩機之診斷系統。本發明之按摩機具備：按摩機本體，其具有對使用者進行施療之施療部；運轉狀態檢測部，其對構成按摩機本體之多個既定零件之各者的運轉狀態進行檢測；記憶部，其儲存運轉狀態；及控制部，其控制按摩機本體之動作；且控制部具備：異常判定部，其判定與按摩機本體相關之異常之有無；及異常輸出部，其於在異常判定部判定出存在異常之情形時，輸出與該異常相關之資訊、及與運轉狀態相關之資訊。
