Background: Utilization of health care services is an important public health and policy issue in developing countries.However, the level of health care services and its utilization rate is not satisfactory in many countries of the world.

Objectives: The objective of the present study was to assess utilization of healthcare services of Upazilla Health Complex,Keranigang, Dhaka.

Methods: This is a descriptive type of cross sectional study, which was conducted in Keraniganj Upazilla Health Complex,Dhaka during the period of march to August 2021. Total 140 data were collected purposively by face to face interview using asemi structured questionnaire.

Results: Among all the respondents, maximum 67 (47.85%) was with equal or more than 40 years of age and minimum 13(9.28%) was with less than 20 years of age respectively. Majority 86 (61.42%) were female and 54 (38.57%) were male. Almost95 (67.85%) were Islam, 43 (30.71%) were Hindu and only 2 (1.42%) were Christian. Majority 59 (42.14%) was illiterate. Halfof the respondents 54 (38.57%) were housewife and minimum 4 (2.85%) were driver. Maximum 68 (48.57%) had monthlyincome 10,000-20,000 Taka and minimum 9 (6.42%) had monthly income equal or more than 30,000 Taka. Majority 74(52.85%) had family member equal or more than 5, 66 (47.14%) had family member less than 5. 140 (100%) respondents hadknowledge about outdoor services from this health complex among them majority 76 (54.28%) respondents observed 200-300outdoor patients attended daily, 73(52.14%) respondents took emergency care daily and 83 (59.28%) respondents respond<15 patients took indoor service daily. UHC is very important to improve accessibility to the health care service.

Conclusion: The first referral hospital in primary level of health care delivery system of Bangladesh is UHC. Informationexchange on supervisory and monitoring reports as well as increase manpower fascilities found essential to improvepopulation satisfaction & its better utilization.