T’ai Sui corresponds to the planet Jupiter. He travels across the sky, passing through the twelve sidereal mansions. He is a stellar god. Therefore an altar is raised to him and sacrifices are offered on it under the open sky. This practice dates from the beginning of the Ming dynasty, when the Emperor T’ai Tsu ordered sacrifices to this god to be made throughout the Empire.

According to some authors, he corresponds to the god Page 195of the twelve sidereal mansions. He is also variously represented as the moon, which turns to the left in the sky, and the sun, which turns to the right. The diviners gave to T’ai Sui the title of Grand Marshal, following the example of the usurper Wang Mang (A. D. 9–23) of the Western Han dynasty, who gave that title to the year-star.