The spread of inert lymphoma is slower compared to other types of lymphoma, but the actual spreading speed varies according to the specific condition, individual constitution and other differences. Inert lymphoma can be understood as a kind of slow-growing lymphoma, which develops more slowly and spreads more slowly compared with other kinds of lymphoma. It belongs to a kind of non-Hodgkin’s lymphoma, including chronic lymphocytic leukemia, mycosis fungoides, marginal zone B-cell lymphoma, etc. It often has no obvious clinical symptoms in the early stage, and with the development of the disease, it may lead to symptoms such as fatigue, poor quality of life, anemia, and respiratory difficulties. As the disease progresses, it may lead to symptoms such as fatigue, poor appetite, anemia, and respiratory distress. Some inert lymphomas can coexist with the body for a long time. For patients with inert lymphoma who do not have obvious symptoms and whose tumors do not cause large loads, it is currently advocated that regular observation is sufficient, but if the tumors continue to grow, then they need to undergo active anti-tumor treatment, and the main treatment modalities include radiotherapy and chemotherapy. It is recommended that patients diagnosed with inert lymphoma should go to the Department of Oncology of regular hospitals for detailed consultation.