Provided is a massager that is operable using a mobile electronic information terminal owned by a user. This massager (1) is designed to massage a site to be treated of a user and is configured to be operable by a mobile electronic information terminal (10) owned by the user. For example, the massager (1) is provided with a massage mechanism for massaging a site to be treated of the user and configured so that the massage mechanism is operable by the mobile electronic information terminal (10). Additionally, an operation menu for the massager (1) main body for massaging the site to be treated of the user (M) and/or an operation menu for an attached mechanism attached to the massager (1) main body can be displayed on a display part (11) of the mobile electronic information terminal (10) of the user (M). The massager (1) main body is provided with an operation part (30) that enables remote operation from the display part (11) of the mobile electronic information terminal (10).提供一種可使用使用者所具有的攜帶式電子資訊終端來操作之按摩機。本發明的按摩機(1)係按摩使用者的施療部,按摩機(1)係構成為可藉由使用者所具有的攜帶式電子資訊終端(10)來操作。例如,於按摩機(1)具備有按摩使用者的施療部之按摩機構,攜帶式電子資訊終端(10)係構成為可操作按摩機構。又,在使用者(M)所具有的攜帶式電子資訊終端(10)的顯示部(11),可顯示針對於按摩使用者(M)的施療部之按摩機(1)本體的操作選單、及/或針對於該按摩機(1)本體附帶的附帶機構的操作選單,可遠距離進行攜帶式電子資訊終端(10)的顯示部(11)之操作的操作部(30)係配備於按摩機(1)本體。