Whether multiple fibrotic foci in both lungs is important or not is mainly determined by the severity of the disease. Most of the stable foci have no significant impact on the physical condition and are not important; the emergence of multiple fibrous foci, accompanied by interstitial fibrosis, affecting the respiratory condition is important. 1. Multiple fibrous foci in both lungs, most of them are residual after inflammation or injury absorption, the corresponding foci are already stable lesions and do not cause obvious clinical symptoms, it does not matter, and there is no need for excessive intervention. 2. Multiple fibrotic foci in both lungs are partly accompanied by interstitial fibrosis, which is related to abnormalities of the immune system, and partly causes abnormalities of the respiratory status, and the corresponding conditions are important, and appropriate application of antifibrotic drugs, such as pirfenidone, etc., is needed. The presence of multiple fibrous foci in both lungs, accompanied by obvious chest pain, dyspnea, need to consult a doctor for timely observation, under the guidance of clinicians for standardized treatment.