Objective: To determine the perception of people living in Nha Be district, Ho Chi Minh city on climate change and its effect on health in 2015 Methods: A cross sectional study was conducted in people living in two areas: near the sea (Phu Xuan commune and Hiep Phuoc commune, 277 citizens) and far from the sea (Nha Be town and Long Thoi commune, 269 citizens) of Nha Be district, Ho Chi Minh city.