Under the background of accelerating the strategic construction of bridgehead in Yunnan Province and building Baoshan City into the first city in South Asia, the construction of rail transit in Baoshan city should go ahead. According to the line network planning, relevant regulations, passenger flow forecast and other information of Baoshan City, this paper analyzes and compares the medium and low volume vehicles suitable for Baoshan rail transit. Then according to the human geography, environmental conditions, line conditions and other comprehensive analysis of Baoshan City to complete the vehicle selection task of the project.