Pediatric cardiology is a subspecialty that deals with heart problems in children and teenagers, including unborn babies. Pediatric cardiology has advanced significantly in recent years, allowing thousands of youngsters to live normal lives. To provide comprehensive care to children, it collaborates closely with primary care paediatricians. A variety of heart disorders can affect children. Some newborns are born with structural flaws. Pediatric cardiologists are experts in detecting and treating heart abnormalities in children. Pediatric cardiologists specialise in the treatment of children who have heart issues. Adult cardiology and heart surgery have cast a long shadow over paediatric cardiology. It has the potential to become a popular and sought-after subspecialty of paediatrics, dealing not only with congenital cardiac diseases but also metabolic, rheumatic, and a variety of other cardiac diseases.