Perigastric lymph node enlargement of stomach cancer refers to the disease in which lymph node metastasis has occurred in stomach cancer, causing perigastric lymph node enlargement. It is a common phenomenon that stomach cancer causes enlarged lymph nodes around the stomach. Generally, early stomach cancer can have a few enlarged lymph nodes around the stomach, while in middle and late stomach cancer, the scope of enlarged lymph nodes around the stomach is larger, and there can be metastasis to other tissues or organs, so it is necessary to go to the hospital for consultation, and under the guidance of offline doctors, actively treat the disease. In early stage gastric cancer with enlarged perigastric lymph nodes, the cancer is often completely removed by surgery, after which radiotherapy can be combined with patient’s condition and the prognosis is better; in middle and late stage gastric cancer with enlarged perigastric lymph nodes, the metastatic range is larger and it is not easy to be cured, but it can be slowed down by radiotherapy, chemotherapy and other treatments, which can improve the patient’s quality of life and prolong the survival period. It is recommended that patients with stomach cancer with enlarged perigastric lymph nodes should be admitted to hospital in time to avoid delaying the condition and affecting the treatment, and to achieve early detection, early diagnosis and early treatment.