Confucius has long been introduced to Vietnam and had an important role in the society. It has positive effects such as nurturing humanity, respecting rules, appreciating morals and distinguishing rankings. However, its negative impacts are becoming bigger today, such as its closeness, arrogance, looking down on innovation, attaching to dogmas, creating privilege to officials, hailing experiences too much, learning spoon-fed and out-of-date knowledge of ancient leaders, etc. The author tries to analyze the characteristics of Confucius and its impacts on Vietnam modern society and concludes that Confucius is a burden, obstacle rather than a motivation, force for innovation in the modern time.