Lung Yu point is located on the back, when the 3rd thoracic vertebra under the spinous process, 1.5 inches away; heart Yu point is located in the 5th thoracic vertebra under the spinous process, 1.5 inches away.
Lung Yu point is an acupoint on the foot solar bladder meridian, which is the dorsal acupoint of the lungs. It has the functions of tonifying lung qi, relieving cough and phlegm, and promoting the lungs and calming asthma, so it can treat a variety of diseases of the lungs such as coughing, asthma and chest tightness.
Heart Yu point belongs to the foot solar bladder meridian. Appropriate stimulation of the Heart Yu point can regulate the heart function, replenish the heart, spirit and blood, and is used to treat heart pain, palpitations, insomnia, forgetfulness and other diseases.
Both the Lung Yu and Heart Yu points are located on the back, so when using acupuncture to treat them, it is important to avoid direct stabbing to avoid damaging the internal organs and causing pneumothorax or bleeding.