The central dogma of biology, which delineates the flow of genetic information from DNA to RNA to protein, along with the principles of cellular immunology, provides a foundational understanding for harnessing the power of synthetic biology to combat cancer. The application of synthetic biology in the design and production of novel tumor vaccines marks a pivotal advance in the field of cancer immunotherapy. This study delves into the cutting-edge development in the creation of therapeutic tumor vaccines, with a particular focus on two critical components: antigen selection and vaccine design. The request for more precise and effective tumor vaccines has garnered the attention of researchers globally. These vaccines are designed to target tumor-specific antigens or those related to tumor growth and survival pathways. Traditional approaches to antigen selection have typically involved targeting specific genes with tumors. However, the advent of high-throughput sequencing and mass spectrometry has revolutionized this process by enabling the screening of novel antigens, thereby enhancing the precision and immunogenicity of vaccines. In recent years, the landscape of tumor vaccines has been significantly broadened by the engineering of vaccines through various platforms. These include DNA-based vaccines, mRNA vaccines, viral or bacterial vector vaccines, and cell-based vaccines. These innovative approaches offer a stark contrast to traditional peptide vaccines, significantly amplifying the immune response against a variety of tumor types. The versatility of synthetic biology allows for the customization of vaccines to target a wide array of tumor antigens, thereby potentiating a more robust and targeted immune reaction. The progress made in synthetic biology is not only refining existing vaccine strategies but also accelerating the pace of experimental research in tumor vaccines. This rapid advancement holds the promise of continually improving the clinical therapeutic effects of these vaccines. As researchers continue to unravel the complexities of tumor immunology and synthetic biology techniques become more efficient, the intersection of these fields is expected to yield a new generation of tumor vaccines that are not only more effective but also safer and more accessible to patients. In conclusion, the integration of biological knowledge and technological innovation in synthetic biology is transforming the development of tumor vaccines. The focus on optimizing antigen selection and vaccine design is driving the creation of more potent and tailored immunotherapies. It is anticipated that synthetic biology will play an even greater role in enhancing the efficacy of tumor vaccines, offering cancer patients with hope in the ongoing battle against this devastating disease.