Abstract: The objective of this study is to observe the pattern and treatment of congenital heart diseases at Dhaka Shishu (Children) Hospital. New born children presenting with various forms of congenital heart disease is a common problem now a days. Neonatologists and pediatricians are now more conscious about early detection and treatment of newborn with congenital heart diseases. Diagnostic facilities are also available in many places. So an individual incidence recorded from an ideal center of our country is a demand of the time which led carrying out this study. This prospective study was carried out at Dhaka Shishu (Children) Hospital in Dhaka District from 6th August 2014 to 15th August 2014. In this hospital, questionnaire sheets were provided as a representative of the survey, a total 13 questionnaire were processed for patient survey and total of 130 questionnaire sheets for the patients and their parents (patients were of the age wherein if they were not able to answer then, their parents answered the questions.) were considered. In Dhaka Shishu (Children) Hospital, registered physicians were interviewed, they are all (around 25 registered physicians) specialized individual sectors and they are responsible for patient healthcare service. All the clinical dealings of hospital is a prime concern of appointed doctors. Ethical concern of hospital authority, doctors and at the same time, patients was taken before study implementation. Among 130 patients 92% were congenital heart patients and 8% were diagnosed with other diseases. Various congenital heart diseases were noted like obstructed blood flow (46%), abnormal blood vessel (25%), heart valve abnormalities (17%), holes in heart (8%) and underdeveloped heart patients (4%) respectively. 96% of the total congenital heart patients had family history of congenital heart diseases, 63% had patients and 33% had grandparents affected by congenital heart diseases) and 4% were out of it. Some Patients (35%) were treated by drugs like ACE inhibitors (10 patients), ARB (15 patients), Beta blocker (5 patients) and diuretics (12 patients) and rest of the patients were treated by surgery like procedures during catheterization (55 patients), Open heart surgery (18 patients) and heart transplant (05 patients) respectively. With the best infrastructure and Medical facilities, Dhaka Shishu Hospital moves it’s every step for child’s health care accompanied. For giving the best treatment, all the medical members do very hard work. Survey data show that there is a high occurrence of congenital heart disease in this hospital and that isolated obstructed blood flow (46%) is the predominant pathology. Post-surgical follow up remains very challenging as many parents cannot afford their children’s medical treatment or are generally not well educated.