A white policeman mistakenly killed an innocent black teenager while chasing a suspect. This accident once again intensified the already intense racial conflict. The unfair treatment of blacks and the racial privileges of whites, the long-standing grievances between the two sides finally erupted. It pointed out the decadent living conditions of black people. Racial discrimination is certainly wrong, but the analysis of the current situation of black people is also a bloody fact, and the cruel reality is often difficult to face. Should the various chaos in the black area be attributed to the corrupt and decadent system, or should it really be attributed to the inferior nature of the human race? Maybe we don’t have a clear answer yet, but we should face the problem and think about it.