The left side of the lung feels a burst of pain is mostly seen in the following situations: first, left lung tumors, left lung tumors can appear a burst of pain in the left lung, which can be more obvious when coughing; second, pneumoconiosis, pneumoconiosis patients can appear a burst of pain in the left lung, and can be accompanied by coughing, chest tightness, shortness of breath, etc.; third, left pleural disease, left pleural disease can appear a burst of discomfort in the left lung, and to Fourth, heart conditions, heart problems cause chest pain, can also feel a burst of pain on the left side of the lung, often accompanied by heart diseases, including hypertension, coronary heart disease, etc., can be accompanied by chest tightness, palpitations and so on. If the left lung pain occurs, you should go to the hospital for chest X-ray, ECG and other tests to further clarify the diagnosis.