In latest years, with the gradual perception of CRISPR Cas9 technology, coupled with the many advantages of the CRISPR Cas9 system, ease of development, simplicity of use, and low material prices, its mediated gene modifying has been higher used in diagnosing and treating genetic ailments and enhancing patients' prognosis. Moreover, CRISPR Cas9 gene screening library is another hot issue which can be used to discover pathogenic genes, pick drug intervention sites, and analyze drug resistance mechanisms. Rapidly emerging gene editing technology has a huge market and is expected to cure B-cell lymphoma. This article reviews the application and progress of CRISPR Cas9 gene editing in B-cell lymphoma for further study.