Today's animal testing has been a controversial topic since its beginnings 150 years ago. Although many people find animal testing inhumane and selfish, it is an important factor in improving our understanding of medicines and our understanding of science. For some, animal testing is a way to improve our standard of living and save many lives, and therefore has many benefits. On the other hand, the negative aspects may not be resolved and scientists are constantly trying to reduce the damage through some methods they create in the process. Nevertheless, much to the dismay of many animal lovers as well as those fighting for animal rights, animal testing will not be stopped any time soon because, for now, it is the form of testing the most reliable one which includes safety of daily products. we use more carefully than any other procedure. The definition of animal testing relates to tests performed on animals that help advance scientific research and medicinal development. What exactly is animal testing? This clearly shows that animal testing is only done with good intentions and not to cause random harm to animals. Some animal tests are performed to improve researchers' knowledge on the subjects of human and animal behavior, development, and biological functions; This is called fundamental or fundamental research. And some animal tests help scientists understand diseases and improve them to develop cures and treatments; This is called targeted or applied research. And few tests are done to test the safety of everyday products such as body lotions and deodorants; this is called toxicological or other assessment of product safety. And some tests are used for an assortment of papers intended for animal use or consumption. Ironically, they are also tested on animals. What if animal testing had been stopped? Many medical questions would remain unanswered, many lives could be lost, and social growth would stagnate. Animal testing is the institution for solving difficult medical puzzles, although not without painful repercussions, but fortunately, continued technological advances have reduced the number of animals used in testing. However, it is understandable that some people morally disagree with the use of animals for research and believe that it should be illegal. But would you fairly want a loved one to consume a product that has been tested on animals, the most reliable form of testing, or would you put them at risk by having them consume a product that has been tested otherwise or not at all? everything and which could seriously harm them, or worse?.