Against the backdrop of the introduction of the US Foreign Company Accountability Act, the threat of trade tensions between the US and China to the fate of corporations has once again been exposed. The US increased regulatory scrutiny of Chinese stocks and then signing of an agreement between Chinese and US regulators regarding audit and regulatory cooperation. Although the risk of Chinese stocks being delisted has decreased in the short term, in the medium to long term, the risk of delisting and the pressure brought by trade frictions between China and the United States still exist for the company. This paper uses the event study method to analyze the degree of abnormality in the share price volatility of Bilibili, when the first pre-delisting list is announced and the company itself is on the list, reflecting the magnitude of the pre-delisting event's impact on Chinese stocks. The findings demonstrate that not only do the listed companies have abnormal fluctuations in stock prices, but the entire Chinese concept stock market has short-term negative impacts when the pre-delisting list is announced. Finally, based on the research results and previous literature, this article will provide relevant suggestions from the perspectives of the country, government, and enterprises.