Abstract
Green tea is a drink that is quite familiar in the community, this drink has many benefits for both health and beauty. In addition to Indonesia, this drink is also well known to foreign countries and has even become the top three in the category of drinks that are often consumed by the world community. The reason why green tea is widely consumed by the public is because green tea is good for dieting. The high antioxidant and anti-cancer content contained in it is also good for health for both men and women. In addition, the easy way of serving this tea is also the reason people consume this drink. Green tea can be served hot or cold. With research using this systematic Literature Review method, we can find out in more detail about the efficacy of green tea. In addition, research with this method is also real with 99% correct results because the researcher uses several journals as comparison material. In the establishment of an industry, of course, many problems are found in its implementation. Seven tools or 7QC can be used to help solve existing problems because it provides several menus that can be used to research problems. Besides being used to solve problems, this tool can also be used to control unwanted things. From these seven tools we can also see the problem so we can fix it faster before this problem gets more complicated.