The aim of this study is to understand the development of tennis after Taiwan’s Retrocession, focusing on tennis activities from 1949 to 1960. Using literature analysis, the researcher collected various documents on the organization of tennis activities, background information, and data on tennis meets. Unfortunately, many documents were lost or destroyed, resulting in appear that is less thorough than the researcher would like. The major findings of this study are as follows: 1.Due to the state of the economy after Taiwan’s Retrocession, the development of hard tennis was extremely slow as compared to the development of soft tennis, which was more popular during the Japanese occupation. There were too few courts available and equipment had to be imported, which was too expensive. 2.Many people were enthusiastic about basketball during this time, resulting in a drastic decrease in the popularity of baseball and tennis, the favored sports before and during the Taiwanese Retrocession. 3.The Taiwan Tennis Association, founded in 1948, was the first organization to promote tennis. In 1959, the soft Tennis Department and the Tennis Department were created, each with its own secretary. Also the Chinese Taipei Tennis Association was founded in 1956 to assist Taiwanese tennis players in entering the international tennis community. The Chinese Taipei Tennis Association also hopes to be a member of the International Tennis Foundation. As a result of all the above factors, the development of tennis in Taiwan was slow and difficult. Despite all these difficulties, in 1952, a demonstrative soft tennis show was performed in a national sports meet and was nationally recognized in the following year. Hard tennis, however, did not receive such recognition. To this day, hard tennis has not recovered from the slight.