Clinically, the edge of the burr is flat and smooth is benign, the burr belongs to the medical terminology, usually in the chest X-ray or CT examination found to be a mass, the edge of the varying degrees of spine-like protrusion. Generally speaking, if you find sparse burrs during the examination, most of them are benign lumps, so you don’t need to worry about them. If the edge of the mass is not only short but also very dense, patients need to be highly vigilant, most of them are malignant masses. However, the burr in CT is not the only criterion, and further examination is needed as soon as possible, and pathologic examination is feasible. If malignant mass is diagnosed, surgery should be performed under the guidance of doctor according to the actual physical condition of the patient, i.e. tumor size and stage, timely treatment timing has a very important role in the prognosis of the patient. At the same time, patients should pay attention to the maintenance of life, maintain a regular routine, go out to exercise more often to improve the body’s resistance, and eat a light, nutritious and high protein diet.