Health care has been a continuing topic of dialogue in recent years and health informatics has played a crucial role in trying to make sure most are given the simplest possible quality of health care. An enormous step was crazy the Affordable Care Act, which needs health care professionals to integrate healthcare with information technology by using electronic health records (EHR) and a combined healthcare infrastructure. Health informatics are often found in every area of health care, including clinical, administrative and economic. Health informatics is vital for several reasons. The foremost important purpose of health informatics is to deliver the effective health care to patients. It also includes technology advancement in drug discovery, Dentistry and Pharmacy.