Review of non-Hodgkin’s lymphoma usually requires physical examination, laboratory examination, imaging examination, and some patients may also need pathological examination. 1. Physical examination: check whether the patient has splenomegaly and generalized superficial lymph node enlargement. 2. Laboratory examination: through blood sampling to understand the patient’s tumor markers, white blood cells, hemoglobin and other conditions, such as elevated tumor markers need to pay attention to, and further improve other tests. 3. Imaging examination, including CT, MRI and color ultrasound, etc., can be used to understand the primary lesion site and other parts of the body, so as to detect recurrence and metastasis in time. Generally, CT and MRI are recommended for patients with shorter recovery time, while ultrasound is recommended for patients with longer recovery time. 4. Pathological examination: if the patients have lumps on the surface of the body again, or tumors in other parts of the body, they need to undergo pathological examination to make a clear diagnosis.