Indications: Deficiency and accumulation of pathogenic factors in the waist, spine, stomach and intestines, heat in front of the ear, bitter cold, deafness, sore throat, pain in the neck, shoulders and arms, and weakness in the waist, etc. Exercise: Between 1 and 5 o 'clock every day, sit cross-legged and make the gesture of drawing the bow with both hands. Switch your left and right hands, with the same movements but opposite directions. Do each fifty-six times. Then, clench your teeth, swallow saliva, and perform breathing exercises to conclude the practice.