The causes of morning vomiting in children include the following: first, caused by gastrointestinal dysfunction. If children have gastrointestinal dysfunction, they will experience nausea, vomiting, and even diarrhea, which can be regulated by applying probiotics, such as applying mometas to children. Secondly, symptoms caused by children suffering from chronic gastritis. If there is H. pylori infection, H. pylori will invade the stomach of children, causing chronic inflammation of the stomach, children will also have morning vomiting, also accompanied by gastric pain and pain in the morning, children will also have bad breath and other symptoms. For H. pylori infection, children need to be treated with drugs such as omeprazole and amoxicillin.