Tumor metastasis to mesenteric lymph nodes can cause many symptoms such as anemia, emaciation, and cachexia. Swelling and pain in the metastatic site, abdominal pain, diarrhea, bloody stool and other obvious gastrointestinal symptoms. Lymph node metastasis of colon cancer indicates that the condition of colon cancer has developed to advanced stage, and anemia, emaciation, cachexia and other phenomena can occur. If colon cancer metastasizes to lymph nodes at the root of mesenteric blood vessels, abdominal pain and abdominal distension will occur. When lymph node metastasis occurs in colon cancer, it mostly belongs to the late state, and there are often typical and obvious colon cancer symptoms: abdominal pain, diarrhea, constipation alternately, and stubborn blood in stool. Tumor metastasis to mesenteric lymph nodes is one of the manifestations of advanced or locally advanced colorectal cancer. The main symptom is abdominal pain, sometimes blood in stool and constipation. As the lymph nodes are too large, they will compress the intestines, thus leading to intestinal obstruction. If the above symptoms occur, please go to regular hospitals for comprehensive examination and standardized treatment after clear diagnosis, so as to avoid delaying the condition.