The difference between malignant tumors and benign tumors in the nose area lies in the biological behavior, evolution, invasion and metastasis of both. Tumors are new organisms formed when local tissue cells lose normal regulation of their growth at the genetic level under the long-term synergistic effect of various tumorigenic factors inside and outside the organism, resulting in abnormal cell proliferation. Tumors occurring in the nose can be divided into benign and malignant tumors according to histopathological characteristics. Malignant tumors not only invade the surrounding organs and tissues, but also spread and metastasize to distant organs, resulting in serious damage to the structure and function of the invaded tissues. Benign tumors, on the other hand, are usually confined to a certain area, grow slowly, and do not show aggressive growth and metastasis to distant places. Although there is a significant difference between benign and malignant tumors of the nose. However, it cannot be ruled out that benign tumors can become malignant under the long-term effect of certain factors. Therefore, if abnormal symptoms appear in the nose, you should actively consult a doctor for a systematic examination and standardized treatment after a clear diagnosis.