The drugs for treating esophageal cancer mainly include the following categories: First, chemotherapy drugs are mainly some fluorouracil and platinum drugs, such as fluorouracil, oxaliplatin, loplatin, carboplatin, etc. The second category also includes some targeted therapy drugs, such as Herceptin and Cetuximab. The third category includes some Chinese herbal anti-tumor drugs, such as anti-cancer pills, Kangai, Aidi and so on. It also includes some immunotherapeutic drugs, such as PD-1 and some symptomatic drugs, such as morphine and fentanyl patches for pain relief when esophageal cancer is advanced and has significant pain. It also includes some drugs for malnutrition caused by dysphagia due to esophageal cancer, such as Renon, Raidai, Bepril, etc., which are given after the nasal intestinal tube is placed to support enteral nutrition.