Traditional Chinese medicine treatment for rectal cancer can use Sophora Angustifolia, Diaphragm Downward Expelling Blood Stasis Soup, Radix Polygoni Multiflori Soup and other traditional Chinese medicine prescriptions according to the different types of evidence. Chinese medicine treatment for rectal cancer is usually categorized into dampness-heat underflow (dampness and heat invading the intestines, bladder, pubic area, lower limbs, etc.), stasis-poison internal obstruction, spleen-kidney yang deficiency (deficiency of yang qi in spleen and kidneys) and other types. 1. Dampness-heat downward injection: manifested as abdominal paroxysm, blood in stool, urgency (discomfort in the lower abdomen, wanting to defecate very much, and a feeling of incomplete defecation after defecation), dryness and irregularity of stools, and burning of anus, etc., which can be treated with Sophora Angustifolia San. The medicine has the effect of harmonizing the intestines and stomach, and relieving dampness and heat, and is used in the treatment of disorders of the intestines and stomach, distension and blood. The adverse reaction of this formula is not clear, but avoid eating spicy and stimulating food during taking. 2. Internal obstruction of blood stasis and poison: manifested as refusal to press on the abdomen, acute and severe pain in the abdomen, pus and blood in the stool, lumps in the abdomen, and purple and dark tongue, etc., it can be treated with Diaphragm Under Blood Stasis Expelling Soup. This drug has the efficacy of activating blood circulation, removing blood stasis and dispersing knots, and is used for abdominal masses and pain that does not move. Its adverse effects are not clear, but pregnant women should not use it. 3. Spleen and kidney yang deficiency: manifested as abdominal pain with warmth and pressure, blood in stool, weakness, coldness and cold limbs (fear of cold, cold limbs), etc. It can be treated with Radix Polygoni Multiflori (Radix Polygoni Multiflori) Soup. This drug has the efficacy of warming the middle and dispersing the cold (dispelling the cold with medicine that warms the spleen and stomach), and tonifying the deficiency and returning yang. Its adverse effects are not clear, but it should not be used by patients with heat syndrome. For rectal cancer patients, it is recommended to go to regular hospitals for consultation and treatment under the guidance of professional physicians.