Chemotherapy regimens for intermediate and advanced gastric cancer include a two-agent regimen of oxaliplatin combined with fluorouracil analogs, a three-agent regimen of oxaliplatin, paclitaxel, and fluorouracil analogs, or a single-agent regimen of fluorouracil analogs. For patients with middle and advanced gastric cancer, two-drug, three-drug or single-drug chemotherapy regimens are generally adopted according to the different status of physical strength score. 1. Two-drug chemotherapy regimen includes oxaliplatin combined with capecitabine, or combined with Tegio capsule, or combined with fluorouracil, etc. 2. Three-agent chemotherapy regimens include oxaliplatin in combination with Tegretol capsules and doxorubicin, or a combination of cisplatin, doxorubicin, and fluorouracil. 3. For patients with poor strength scores, consider chemotherapy regimens such as Tegio capsules alone, or fluorouracil alone, or raltitrexed alone. For patients with advanced disease, depending on the HER-2 gene expression, the above chemotherapy regimens should be combined with the targeted drug trastuzumab or the immune drug natalizumab. Please strictly follow the doctor’s instructions for drug treatment, and do not use drugs on your own.