Gambling industry is a diversity service industry, it combined the industry of traveling, catering and hotel, it also has a huge influence in industry of traveling, construction, hotel and catering. Gambling industry in Macao has make a huge influence across the globe, casino-resort in Macao had three spots in the latest 2020 global ranking of casinos. Thus in this article use gambling industry in Macao as topic, by using the PESTEL analytics to discuss the influence it brings. Therefore, Taiwan can refer to the positive benefits and effective management mechanism of Macao's gambling industry to develop the it's gambling industry to increase employment rate, GDP, and increase the income of surrounding industries.