The Threats To Human Life Due To Cancer Is Growing Faster And Early Detection And Easy Diagnostic Methods Are In Demand. This Paper Provides A Detailed Survey On Metamaterials And Analysis Of Various Antenna Structures To Detect Breast Cancer At The Earliest. The Cancer In The Breast Can Be Effectively Diagnosed And Screened Using Microwave Imaging Technique. This Can Be Achieved By Designing A Medical Imaging System Using Microwave Antenna. Metamaterial Antennas Improve The Performance Of Miniaturized Antenna Systems With Efficient Power And Acceptable Bandwidth. One Among The Most Widely Investigated Detection Mechanism Is Using Microwave Imaging In The Field Of Medicine.