The development of social media platforms allowed people to express their perspectives on hotspot events freely. These different perspectives belong to public opinion, and they can affect people in several ways. Women are usually associated with many hotspot events, such as domestic violence, sexual assault, and so on, and social media can make these events highly exposed and discussed. Some women use public opinion to speak up for themselves successfully, while others endure the injuries brought by public opinion because of some stereotypes and the dissemination of rumors. So, understanding the formation and propagation of public opinion, the specific pros and cons produced by public opinion, and the appropriate solution to reduce injuries can help to create a harmonious online environment and promote gender equality all over the world. Therefore, this essay reviews and analyzes the previous research to explore the procedure of how positive and negative effects were created by public opinion. Ultimately, it offers disparate strategies that different stakeholders can adopt to minimize the negative impacts.