Xin Yu point is located on the back, in the 1st lateral line of the foot solar bladder meridian, that is, 1.5 inches below the spinous process of the 5th thoracic vertebra. It can calm the mind, tonify the heart and spleen, and is often used to treat epilepsy, epilepsy, palpitations, insomnia, palpitations, palpitation, dysphoria, heartburn, heart pain, amnesia, dreaming, coughing, vomiting of blood, etc. The point can be used for moxibustion or acupuncture. Heart Yu can be moxibustion can also be acupuncture, acupuncture needle tip should be directed toward the spine at a 45-degree angle diagonal, acupuncture depth should be based on the patient’s physique, fat and thin to decide, generally 1-1.5 inches is appropriate, can not be straight stabbing also can not be deep stabbing, otherwise it is easy to cause pneumothorax and other adverse consequences.