Baby vomiting, may be due to acute gastroenteritis, gastrointestinal dysfunction or physiological spitting up and other causes, need to be given according to the cause of anti-infection, warmth and other treatments. 1. Acute gastroenteritis: baby if infected with bacteria or viruses may cause acute gastroenteritis occurs, at this time will lead to baby nausea and vomiting, diarrhea and other discomforts. To take the baby to the hospital as soon as possible to identify the cause, such as the presence of bacterial infection can be given antibiotics such as cefixime and other antibiotics, antidiarrheal such as montelukast and other medications. 2. gastrointestinal dysfunction: baby if cold may lead to gastrointestinal dysfunction and nausea and vomiting and other symptoms, at this time to pay attention to the baby to keep warm, appropriate to let the baby drink more hot water can help relieve, if necessary, can take probiotics (such as bacillus subtilis bacillus granules) bacteria, such as relief. 3. Physiological spitting up: newborn babies due to the stomach is horizontal, too much food or changes in position and so on easily lead to spitting up. At this time you need to pay attention to avoid the child choking or even suffocation, you can hold the baby upright, give the baby burp, relieve spit up. The baby baby spit up may have other reasons, it is best to take the baby to the hospital to identify the cause, give targeted treatment, the use of medication to follow the doctor’s instructions.