At present, lung CT is particularly widely used in clinical practice, because chest X-ray has the existence of misdiagnosis and omission of diagnosis occurs, so at present the lung CT has gradually replaced the chest X-ray examination, widely used in clinical practice, the general price of lung CT is between 200-350 yuan, the specific price is based on the different regions, the price of pricing standards have a relationship, but also based on the CT of the thin layer of the correlation, that is, the more precise the CT, the higher the price. In the case of an enhanced CT of the lungs, the price will be a little higher, around$1,000, because of other costs incurred such as contrast media.