There is no so-called patent medicine for esophageal cancer. Commonly used patent medicines for esophageal cancer include Donglingcao Tablet, Carcinosuppressant Injection, Huachunin Injection and so on. 1. Donglingcao Tablet: it has the effect of clearing away heat and detoxification (removing heat and toxicity in the body), subduing swelling and dispersing nodules, and relieving soreness and pain; it can be used in the adjuvant treatment of cancers caused by heat and toxicity congestion; there are a few people who have mild abdominal distension and discomfort after taking the medicine, and they should avoid spicy and fishy food during the period of taking the medicine. 2. Cancer elimination injection: it has the effect of clearing heat and removing toxins, resolving phlegm and softening hardness; it can be used in the treatment of esophageal cancer, and can be used as the adjuvant treatment of radiotherapy and chemotherapy at the same time; there may be allergic reactions of generalized skin flushing and rash after use; this product should be used in medical institutions with rescue conditions. 3. Hufenacin injection: it has the effects of detoxification, swelling reduction and pain relief; it can be used in the treatment of middle and advanced tumors; very few patients may have urticaria, dermatitis and other discomforts after using it; pay attention to avoiding the pairing with the drugs of intense excitation of the heart. If there is a need for medication, need to be used under the guidance of a doctor to identify the evidence, not blindly use their own medication, so as not to cause adverse consequences.