It is high-fiber food that has anti-cancer and anti-cancer effects. It produces lignin or intestinal fatty substance through intestinal digestion, which is an antioxidant and can inhibit carcinogens produced by intestinal bacteria at high concentration. It can also speed up the running time of feces in the intestine, reduce the contact between carcinogens and colon mucosa, and achieve the purpose of preventing colon cancer.

2. Sweet potato

Eating sweet potatoes regularly helps to maintain the normal folic acid level of the human body, and low folic acid content in the body will increase the risk of cancer. Sweet potato has high dietary fiber content, which can promote gastrointestinal peristalsis and prevent constipation and colorectal cancer.

3. Auricularia auricula

Auricularia auricula can inhibit platelet aggregation and lower cholesterol, which is beneficial to cardiovascular and cerebrovascular diseases. The colloid in auricularia auricula helps to absorb and gather the dust and impurities left in the digestive system of human body and excrete them, thus dredging the gastrointestinal tract.