The invention discloses an exercise aid, comprising: a main frame and a stretching device, the main frame includes a supporting device and an operating table, the operating table is installed on the top of the supporting device; the stretching device is installed on the operating table; wherein, the operating table is flat When it is set to be horizontal, the height of the console is equal to the height of the waist of the human body; when the human body uses the exercise aid, the human body faces the console and stands vertically beside the console, and the human body performs reciprocating stretching motion through the stretching device. The present invention is easy to use, by virtue of the gravity of the upper body of the human body leaning forward, combined with the stretching exercise of the upper limbs, the waist and back muscles are effectively exercised, and long-term use is beneficial to restore the supporting ability of the patients' waist and back muscles in trunk flexion and extension.