Portable electrocardiograph monitor device

The utility model discloses a portable electrocardiograph monitor device which comprises an electrocardiograph monitor, and an operation panel is arranged on one side of the electrocardiograph monitor. An adjustable fixing mechanism is arranged on the side, away from the operation panel, of the electrocardiograph monitor, a main sliding groove is formed in the side, away from the operation panel, of the electrocardiograph monitor, a side sliding groove is formed in one side of the main sliding groove, and an operation rod sliding groove is formed in the side wall of the side sliding groove; a main sliding block movably connected with the main sliding groove is arranged in the adjustable fixing mechanism, and a fixing clamp is fixedly connected to one side of the main sliding block. The fixing clamp is arranged, the fixing clamp can be fixed to the trouser waist of a person, the fixing clamp is firmly fixed through the first elastic piece, and the electrocardiograph monitor does not need to be stored through a