Radiopharmaceuticals are radioactive mixtures which have a bound radionuclide in their design, whose object is coordinating the radionuclide to an area to be dealt with or to acquire pictures. Atomic medication is the clinical forte that utilizes radiopharmaceuticals, which has introduced itself as an enormously helpful partner for medication aiding different judgments and therapies, particularly for malignancy. The overall goal of this work is to recognize the fundamental radionuclides and metal buildings right now utilized as radiopharmaceuticals. The fundamental metal edifices utilized as radiopharmaceuticals are mixtures of technetium like sodium pertechnetate and methylenediphosphonate and different mixtures of indium, thallium, gallium, iodine, chromium,sulphur,phosphorus,fluorine which are broadly utilized in the atomic medication for analysis by imaging. They have been vital for the early finding of various illnesses, basically cancer. Currently, technetium compounds are most of the radiopharmaceuticals utilized in all nations.