Stimulation of the Lung Yu can relieve cough, asthma, bone steaming, night sweats, nasal congestion, etc. Stimulation of the Heart Yu can relieve heart pain, palpitations, insomnia, forgetfulness, etc. Stimulation of the Liver Yu can improve symptoms of liver, stomach, eye disease, neurasthenia, intercostal neuralgia, etc. Stimulation of the Gall Bladder Yu can improve symptoms of jaundice, bitterness in the mouth, etc. Stimulation of the Stomach Yu can improve symptoms of urinary and genital diseases. Stimulate Stomach Yu: can improve symptoms such as gastrointestinal, chest and rib pain. 6. Stimulate Kidney Yu: can improve genitourinary system diseases. 6. Stimulate Bladder Yu: can improve symptoms such as unfavorable urination, enuresis and pain in the lower back. After knowing the benefits of hitting the back, you can take this method to achieve the purpose of health care when you are doing exercise in general. Just when hitting the back, pay attention to the correct method and intensity, do not appear body injury or incorrect method of the phenomenon, harmful to the body.