Abstract: The poetry and prose of Tang Taizong contains a strong complex of the Sage Sovereign the Yellow Emperor (Huangdi). He believed in the great achievements of the Sage Sovereign, so his poems and compositions often cited relevant allusions, as self-evidences and ideals, or as a basis for perfunctory philosophies, or as a mirror to explore the way of rise and fall, and so on. Tang Taizong's poems express his political ambition with the Sage Sovereign, so the rich historical connotation and strong political pride are integrated into one. And we can appreciate Zhenguan meteorology from them. Based on the rise and fall of the Sage Sovereign, Tang Taizong's writings could seek the ancient and modern law of governing disorders and formulate the general strategy of governing the country by monarchs and ministers. In a word, the Yellow Emperor Complex is a great dream to take the Sage Sovereign as a model and to create a peaceful and prosperous era.