However, the relationship between such illness and the utilization of health care services has rarely been empirically assessed Objective: To clarify how health status and symptoms associated with the healthcare facility choice. Methods: We conducted this survey in 3 provinces (Thua Thien Hue, Quang Tri, and Khanh Hoa), with 6, 898 residents in 1, 478 households. The International Classification of Primary Care (ICPC-2) was used to classify the symptoms Results: There were 1, 816 people having illness / injury during the last 3 months (26.3) and the majority of them went to CHCs when they got sick.