Yang Yuhuan (that is, Yang Guifei)' s husband is Li Longji, Emperor Xuanzong of the Tang Dynasty. According to Bai Juyi's Song of Eternal Sorrow, the emperor of China, eager to shake the beauty of an empire, searched for his throne for many years, but never found it. Until a child of the Yang family grew up in the inner room, almost before she grew up, and no one knew her. However, due to the gift of heaven and no concealment, it was finally elected royal one day. If she just turned her head and smiled, there were a hundred spells, and the powder and paint of six palaces disappeared without a trace. It was early spring. They let her bathe in a pure pool to warm and smooth her creamy skin. "Yang Yuhuan (the imperial concubine) is Huang Hua's eldest daughter. She just grew up before marrying Li Longji, the son of Xuanzong, instead of the princess of Li Mao, the son of Shouwang, recorded in New Tang Book and Tongzhi Bamboo Slips of Northern Song Dynasty. Bai Juyi was born in 772. Bachelor of Hanlin in Tang Dynasty, Prince Zuo Zanshan, secretariat of Hangzhou.
The Anshi Rebellion took place from 755 to 763. Bai Juyi fell in love with Li Longji Yang Yuhuan 17 years ago. He is also an official around the prince, so Bai Juyi's writing is more credible. Lu Xun said that Sima Qian's "Historical Records" is a masterpiece of historians, with no rules. The New Tang Book and Zi Tongzhi Jian in the Northern Song Dynasty, and even the Old Tang Book in the Five Dynasties and Ten Kingdoms period, all contain many fictional elements. For example, when Li Shimin, Emperor Taizong, was born, the old books of the Tang Dynasty fabricated a plot, and Ssangyong finished playing in front of Tang Gong Li Yuan's house and left.
So what is certain is that Yang Guifei (Yang Yuhuan) only married Li Longji, Emperor Xuanzong of the Tang Dynasty, and her husband was Li Longji, Emperor Xuanzong of the Tang Dynasty.