Xyroda is a chemotherapy drug, mainly for post-operative chemotherapy of colorectal cancer, its component is capecitabine, which is an imported drug and is the first-line chemotherapy drug for colorectal cancer. Generally speaking, according to the disease stage, patients with stage II colorectal cancer with high-risk factors or stage III and above are recommended to have regular chemotherapy regimen after surgery, which can be oral or combined with oxaliplatin, and the postoperative effect is more ideal.