The coordinated development of port logistics and regional economy is an important guarantee for enhancing regional economy and port logistics competitiveness. As the province of Taiwan with an export-oriented economy as its main body, Kaohsiung Port, as the largest port in Taiwan, plays a pivotal role. It is of great practical significance to study the relationship between the two. This article collects the data of Taiwan Province's economy and Kaohsiung port from 2009 to 2018, and uses the synergy idea to establish a corresponding synergy model. It comprehensively and objectively analyzes the coordinated relationship and trend of Taiwan's economic development and development.