Take the waist as the axis, rotate back and forth to drive hands, right hand slaps the left abdomen, left hand slaps the right waist, then left hand slaps the right abdomen, right hand slaps the left waist, and left and right slaps the middle and lower abdomen or waist 100 times. Frequent slapping of the waist and abdomen can prevent and treat lumbago, backache, abdominal distension, constipation, indigestion and other diseases, and can also make the waist muscles flexible and prevent twisting the waist and turning over the gas. Playing when you are tired can have a comfortable effect.