Few fibrous foci in both lungs is mostly a manifestation of scar tissue that occurs after the healing of a lesion, such as viral pneumonia, tuberculosis, etc. After healing, interstitial diseases also need to be ruled out. Few fibrous foci in both lungs is a description of an imaging test that usually shows a shadowed appearance in the lungs. After viral pneumonia and tuberculosis infection, the process of tissue repair damage, due to the limited regenerative capacity of the damaged cells, can not completely repair the tissue, and then fibroblasts to fill the damage site, thus forming a fibrous foci. Generally do not need special treatment, regular follow-up can be. Interstitial lung disease can also be manifested in the early stage of the two lungs little fibrotic foci, most of the symptoms such as dry cough, progressive dyspnea, more obvious after activity. Few fibrous foci in both lungs can also be seen in other diseases, and it is recommended that patients seek medical treatment in time to avoid delaying the condition.