You can drink red wine after gastroscopy, but you need to do it three days after gastroscopy and drink in moderation. Gastroscopy is mainly to insert the tube through the esophagus into the stomach, so the gastric mucosa will have some damage, if too early to drink red wine will aggravate the symptoms, so you can drink red wine after gastroscopy, but need to do gastroscopy three days later and to drink in moderation; however, if you do gastroscopy there are diseases, such as chronic gastritis, peptic ulcer, etc., you can not drink alcohol, you have to quit drinking. Diet after gastroscopy is also very critical, to be light and nutritious easily digestible diet, you can eat more fluids, such as rice or pasta, etc., but also appropriate rest, and do a good job in all aspects of life care; if the body is not feeling well, it should be timely consultation.