Practice assist device for standardizing cardio-pulmonary resuscitation action and frequency

The utility model provides an exercise assist device for standardizing cardio-pulmonary resuscitation actions and frequency. The exercise assist device comprises a supporting plate, a supporting column, a pressing part, an air bag and a metronome. Four groups of supporting columns are fixedly arranged on the bottom plate; the supporting columns are a pair of U-shaped frames which are oppositely arranged and do not make contact with each other, and a cross-shaped through groove is formed between the U-shaped frames. A connecting block, a spring piece and a fixing block are sequentially arranged in the cross-shaped through groove from top to bottom. A collision bulge is correspondingly arranged on the pressing plate in a position corresponding to the fixed block; an air bag is arranged between the pressing plate and the supporting plate; the metronome is arranged on the supporting plate. According to the utility model, whether the pressing frequency is appropriate or not can be judged according to the sound gen