Conflict theory is a perspective derived from the work of Karl Marx, who believes that society is a dynamic entity and is constantly undergoing changes driven by class conflict, which has different interests, ideas and interests. values, to compete with scarce resources and aim to maximize one's benefits. According to the founder of conflict theory, Karl Marx, society is divided into two categories: those who have and those who have not, the latter are dominated by the former who are those people who have power in their hands and with the greatest political resources , economic and political. social resources. Conflict theory assumes that society creates norms to serve the interests of the powerful. Regarding the relationship between police and citizen, the likelihood of conflict can be explained by their different cultures and norms. Their behavior conforms to a substantially different set of rules or beliefs. Citizens want to get a position to express their discontent or express a specific opinion on something during the assembly or demonstration, where the police forces want to maintain public order and security among these protesters, and this sometimes leads the police to use force to control, and the The sad truth is that gentle force is not practical, when people could get hurt due to the use of strong force by the police. On July 1, 2011, a group of protesters gathered at government headquarters refused to leave. Therefore, to clarify the situation, the police used pepper spray on the protesters without warning and used a plastic tap and homemade means to take the protesters away. The use of excessive force against citizens who are seen in public and makes people think about whether the police are protecting citizens or harming the public. “Power tends to corr...... middle of paper ......and is controversial on Internet users, the police use extreme force to control the behaviors of protesters regardless of their safety. Some Internet users consider them “police dogs,” which implies that they are too obedient to authority. Furthermore, news of police scandal, selective law enforcement, abuse of power, and other issues of misconduct also provoke public anger. In particular, public attitudes towards the police will be negatively affected by well-publicised reports of police corruption. It could also induce a negative outcome whereby the public no longer trusts the police force or even becomes less cooperative with the police and tends to believe allegations of police misconduct even when the force behaves correctly. Ultimately, the future citizen-police relationship and the efficiency of police investigations will be seriously affected.