Based on survey and statistics data about drunk driving, the business opportunity of chauffeur service in Taiwan was found which is popular and common in Korea now. From the conducted survey with 107 peoples of Koreans resident in Taipei as of Oct 2011, with confidence with survey result and statistics data, the business plan for chauffeur service in Taiwan was started. Initially, business will be started from “Korean people Market” first and then stretch to bigger potential of Taiwan nationwide and expand it to world wide market, especially China. As the environmental analysis, the number of registered car and accidents rate have been increasing. Moreover, the rate of drunken driving is also increasing, though regulation and penalty have been getting stricter. The idea starts from the concept of “prevention of drunken driving” It would be able to lead to success of business and contribute to social welfare by “preventing drunken driving” It has not only business opportunity but also contribution opportunity to the society.