Today, the Internet has become the fourth largest media after newspapers, radio and television. Someone joked that if you don't surf the Internet for three days, you will be laid off later. The role of online media in the influence of public opinion and information dissemination is so great. In the turbulent network public opinion, hot public opinion events about enterprises emerge one after another. There are countless examples of corporate reputation and trust crisis caused by online public opinion. The lessons of blood and fire make all entrepreneurs realize that enterprises are hard in the era of online public opinion. In the era of online public opinion, it is difficult for enterprises to predict how the crisis will detonate, so as to passively get involved and form an online crisis, which is unexpected trouble for enterprises inadvertently involved. 1 1. Wen Yuan's corporate culture corner is a terrible crisis: in 2008, nine dragons paper sweatshop incident triggered a crisis of corporate social responsibility, Mary Kay's public relations leak incident led to a crisis of corporate image, Vanke's donation door incident led to a crisis of corporate reputation, and the boycott of Carrefour led to great resistance to Carrefour's sales. Master Kong fell into the "water source door" to highlight the product trust crisis, and the unbearable Sanlu milk powder crisis in 2009 triggered a crisis of industry trust. Shengyuan [Infant] 20 10