Weak lung pulse is often caused by lung qi deficiency, lung yin deficiency, qi and yin deficiency and other causes. Lung qi deficiency will appear the manifestation of lung pulse weakness, lung qi deficiency is accompanied by cough weakness, shortness of breath, asthma, cough sputum clear, body tiredness, lazy speech, fatigue, fear of cold, easy to catch a cold and other symptoms of manifestations. The treatment is to take medicines to tonify the lung qi and regulate it. Lung Yin deficiency is characterized by a weak pulse. Lung yin deficiency can be characterized by a dry cough with little sputum, sticky sputum that is not easy to cough up, blood in the sputum, dry mouth and throat, hoarseness and other clinical manifestations. Treatment is mostly through nourishing yin and tonifying the lungs. Lung qi and yin deficiency is often manifested as a deficiency of the lung pulse or weakness. Lung qi and yin deficiency is characterized by fatigue, shortness of breath, laziness, dry throat and mouth, and irritable thirst. The treatment is often to choose qi and yin double tonic drugs to regulate. It is recommended to use medication under the guidance of a doctor after identifying the symptoms. If uncomfortable symptoms occur, it is recommended to consult a doctor in a timely manner, under the guidance of a professional doctor to identify the evidence for treatment, do not self-medication, so as not to delay the condition.