The length of time a patient with non-Hodgkin’s lymphoma can live cannot be generalized, but is related to the tumor type, stage, and subsequent treatment. Non-Hodgkin’s lymphoma is a major type of lymphoma compared to Hodgkin’s lymphoma, and there are dozens of specific pathological subtypes. However, some non-Hodgkin’s lymphomas with high malignancy, once metastasized and non-early stage, have poorer treatment outcomes and shorter expected survival times, often around six months to two years of expected survival. Therefore the specific estimated survival needs to be estimated based on clear pathological staging, and specific tumor stage, in addition to whether the subsequent treatment is standardized, individual differences and other reasons should also be taken into account. Therefore, it is very important for patients to have a correct understanding of non-Hodgkin’s lymphoma and face it optimistically, and go to regular hospitals for standardized treatment.