So, we carried out research "Piles's epidemiological and clinical features in ≥ 50 years old persons-Survey's results in 24 suburban / urban districts at Ho Chi Minh city from January 2006 to July 2006" with a desire contributing a preliminary look about hemorrhoids in older community at Ho Chi Minh city. Methods and Materials: This is a cross-sectional study, stratified random sampling method.