“Brighter laughter, where the food is better.” Food is essential for humans to consume nourishment and maintain the functioning of the body. The lifestyle of Japanese people has changed since fast food was introduced into the food industry in Japan. Young Japanese prefer to eat chips instead of Japanese rice crackers, carbonated drinks replace Japanese tea, and a strawberry jam washes away the sweat of red bean paste. As a result, the average weight of Japanese citizens has increased statistically. The Japanese are replacing their low-fat diet with Western-style foods. The taste of Western taste is different from what Japanese have ever tasted. Consume bread as carbohydrates, red meat as proteins and put cheese sauce before white rice as carbohydrates, fresh fish as proteins and add seaweed. Every year, fast food companies are expanding their business. People could find fast food restaurants everywhere. Fast food has been phenomenal in Japan as it offers cheap but delicious products, innovative menus that mix with traditional Japanese taste and offers a great business opportunity. As a result of fast food consumption, the average weight and height of Japanese citizens are increasing. Furthermore, at the same time, the number of diseases caused by fast food has increased. However, many Japanese parents still think that becoming taller and having children who are a little fatter is more vigorous.1 Most of the Japanese we met on the street are all slim even though they may eat vegetables instead of fast food, but they seem to somewhat unhealthy. Data showed that Japanese women, especially the younger generation, have gained more than 6 inches and weigh 26.5 pounds more than in the 1950s.2 Japanese men have also inc...... middle of paper . .....us of McDonald's seem predominant in other countries too. German beer, French croissant, Spanish gazpacho, Indonesian rice porridge and fried chicken. Providing creative yet innovative menus is essential for fast food companies to survive in the market share war. In conclusion, although most people are aware of the unhealthiness of fast food consumption, fast food has become popular in Japan. There are 3 supporting reasons to increase popularity. Japanese people think that being taller and a little fatter is better to increase the height and weight of Japanese citizens. Additionally, the environment in Japan encourages starting a fast food business. Furthermore, offering innovative menus will not make the customer get bored of taste and will extend a broad support base. With incredible popularity, conquering the food industry in the 21st century is not far away.