Measles is important infectious disease of pediatrics and pneumonia is the most commonest complication of measles. We have experienced 20 cases of pneumonia among 31 cases of measles in infant nursing home of Chae Chum during of December, 1981. The results are as follows : 1. The incidence of measles pneumonia is 64.5%. 2. The patteins of pneumonic infiltration is : The pneumonia may have a bronchopneumonia (60%), Lobar pmeunonia (15%), or combined form (35%). 3. Both lungs are invoived by measles pneumonia : Right lung only (30%) Left lung only (5%), or Bilateral (65%). 4. Hilar lymphadenopathy (51.6%) Hilar lymphadenopathy with pneumonia (82.2%) and hilar lymphadenopathy without pneumonia (17.8%) 5. There is no pulmonary nodule which is noted frequently in atypical measles pneumonia as a seguale.