Racism is one of the most important issues in American society, and the anti-racist movement has been a frequent one in the face of the injustices suffered by African Americans. As a major contributor to the development and implementation of anti-racist movements, African Americans have taken a variety of effective measures to disseminate their thoughts and have achieved some success. However, the fact that the anti-racist movement in the US has often ended in dissipation reveals that there are still problems with the effect of the communication of thoughts, and it is important to explore these problems for the study of African Americans.