Depends on what you practice. Different events have different ways of playing and practicing, but boxing target and foot target still have some effect on strength practice. After putting yourself in the right posture, it is recommended to hit sandbags and things like that with all your strength (first hit 10 fist or foot with all your strength. If 1 is as powerful as the last 1. In other words, you can hit 1 to 20 punches with all your strength, which means your ability is improved. If 1 to 20 punches are similar in strength, 1 to 30 punches and so on until you can hit 1 to 50 punches or feet, especially feet, it means that it is already very good and it is a bit difficult to improve.