Kweichow Moutai's share price, which has risen about 72-fold since its listing, is now a miracle among A-shares and is being watched by investors. Under the influence of the epidemic, Moutai's stock has shown resilience. Therefore, from a theoretical perspective, this paper uses the FCFF model to calculate the high valuation of Moutai and mainly explores its impact on the stock price from the perspective of the company's operating system. The investment significance of this paper aims to give a new understanding of the highly valued stocks in light of the current situation.