Health Informatics may be a discipline of science, which deals with intersection of data science, computing, medical informatics, health care informatics. It's applied to several areas of science like pharmacy, dentistry, public health. Medical research and its efforts are very beneficial in expansion of research. Health informatics aids in surgery and also in building electronic patients record and database. It successively also helps for communication and learning for patients. Due to increase within the scope of Health informatics and surgery with the passage of some time, it's currently got varied into several branches of study. Few significant ones for Health informatics and surgery are its clinical applications.