Characteristics of Gut Microbiota in Patients With Colon Cancer of Different Traditional Chinese Medicine Syndromes

Inclusion Criteria:

1. Preoperative abdominal CT, colonoscopy and pathological examination were diagnosed as colorectal malignant tumor patients;
2. Having surgical indications;
3. Patients who were not treated with antibiotics or microbiological agents one week before surgery;
4. Patients who had not received radiotherapy and chemotherapy before surgery;
5. Patients or their legal representatives informed and agreed to participate in this clinical trial and signed a written informed consent;

Exclusion Criteria:

1. Have other cancer history;
2. Patients who have received invasive treatment within the past three months;
3. Inflammatory bowel disease such as ulcerative colitis or crohn's disease;
4. Combined with intestinal obstruction or intestinal perforation for emergency surgery;
5. Psychiatric history, can not join and standardize the completion of clinical investigators;
6. Pregnant or nursing women;
7. Patients treated with antibiotics or microbiological agents one week before surgery;
8. People have incomplete data;