The difference between intestinal adenoma and colorectal cancer usually lies in its different significance, symptoms and treatment. 1. Different significance: intestinal adenoma is a kind of benign intestinal disease, which is usually due to intestinal tissue infection or congenital abnormality and other reasons leading to the proliferation of local glandular tissues; colorectal cancer is a kind of malignant tumor, which is usually due to chronic inflammation of intestinal lesions. 2. Symptoms are different: intestinal adenoma mainly has symptoms such as constipation, blood in stool, abdominal pain, etc. Colorectal cancer has no obvious symptoms in the early stage, but in the late stage, it will have symptoms such as abdominal mass, loss of appetite, vomiting, and emaciation. 3. Different treatments: intestinal adenoma can be resected endoscopically, and there is no big incision after removing the lesion tissue; colorectal cancer usually requires conventional open surgery, and radiation and chemotherapy should be carried out after operation. If patients have the above symptoms, it is recommended to go to the hospital in time for systematic examination and targeted treatment under the guidance of doctors, and pay attention to avoiding nervousness.