The cost of lung function test is about $100~300, which is affected by different levels of hospitals and other factors, there is no uniform price. The price of lung function test is affected by different disease hospitals, different regions and other factors, there are differences. Such as in tertiary medical institutions may be higher than the price of secondary medical institutions, the current price of lung function test is about 100 ~ 300 yuan, the price is for reference only, with should refer to the relevant standards of the local formal medical institutions. Lung function test is an important examination of respiratory diseases, mainly including ventilation function, respiratory regulation function, ventilation function and other tests. It is very helpful in determining the condition and should be conducted under the guidance of a doctor.