The pathological diagnosis of the patient before medication was reported as adenocarcinoma of colon with lymph node metastasis. Chemotherapy combined with CHA for injection was started first, and CHA for injection alone was used for a long time after chemotherapy. After nearly 1 year of medication, there was no tumor recurrence or metastasis. Subsequent reexaminations showed no recurrence or metastasis.The tumor markers returned to normal after the administration of the medication and have remained normal ever since. The blood routine test resulted as well as the functions of the liver and kidneys had been basically stable and normal. Since 2007, the patient has survived for 18 years, and now the patient's life is no different from that of an ordinary person.