This scientific article reveals the relationship between bilateral interstitial pneumonia outside the hospital, its characteristics, anemia and its classifications, the characteristics of interstitial pneumonia in the background of chronic anemia, its frequency in relation to age and gender, the level of lung damage in groups according to the amount of hemoglobin in the blood, and the recovery period of patients. In addition, there is information about risk groups of interstitial pneumonia in comorbid conditions with chronic anemia.