Vomit may be bitter due to improper eating or bile reflux, which should be judged according to the specific situation. 1, improper eating: if you eat a lot of bitter melon, bitter wheat, coffee, bitter tea, etc. before vomiting, vomit may be bitter due to food, if there are no symptoms other than vomiting, and there is no discomfort after vomiting, there is no need to deal with it, just keep normal diet in the near future. 2, bile reflux. If the vomit has obvious bitter taste and yellowing, or accompanied by abdominal distension, abdominal pain, frequent vomiting, diarrhea and other symptoms, you need to consider the case of bile reflux, you can go to the hospital to perform abdominal ultrasound, abdominal CT and other examinations to determine whether there is cholecystitis, bile duct obstruction, bile reflux gastritis and other diseases, timely medical consultation, symptomatic treatment. Patients can take oral trimethoprim and mosapride to stop vomiting, omeprazole to suppress stomach acid, and atropine to relieve spasm and pain, etc. If H. pylori infection is clearly present, a quadruple regimen is needed for eradication. Regardless of the type of vomiting, daily attention to dietary habits is needed to avoid the bad habits of overeating and specific food cravings. Strictly abstain from smoking and alcohol during the treatment and recovery period to avoid alcohol to stimulate the recurrence of vomiting and aggravate the body burden.