The origin of the seven stars of the Big Dipper Shenlong constellation is the seven stars of Tianshu, Tianxuan, Tiangui, Tianquan, Yuheng, Kaiyang, and Waguang. According to the relevant information query Kangtai Yixiu era Road, the origin of the Big Dipper seven-star Shenlong constellation is the center of the sky, Tianxuan, Tiangui, Tianquan, Yuhang, Kaiyang, shaking the light of the seven stars, the Big Dipper is said to be the seven political, the Lords of the sky, but also for the emperor car, the emperor sat in the Big Dipper seven-star inspections of the four directions, set the four seasons, the division of heat and cold.