Frequent vomiting in a three-month-old baby may be normal, but it may also be caused by gastrointestinal disorders or colds. You need to judge the symptoms according to their severity and accompanying symptoms, and go to the hospital to improve the relevant examination. Common causes and treatment methods a. Physiological phenomenon: frequent vomiting of the baby in three months may be a common situation, because the baby’s stomach volume is small at this time, the cardia can not be well contracted, and sometimes during the process of drinking milk will also inhale a lot of air, there will be vomiting. The mother should pay attention to feeding the baby a small amount of times, holding the baby upright after feeding and gently patting the back. When spitting up occurs, parents need not worry too much as long as the baby’s weight gain is not a problem. Pathological phenomena: 1. Gastrointestinal tract dysfunction: If the infant’s vomiting is serious and accompanied by slow weight gain, poor mental status and reduced urination, it is necessary to consider gastrointestinal tract dysfunction. You need to go to the hospital to improve the examination, and under the guidance of the doctor to take bifidobacterium, triptans and other gastrointestinal drugs for treatment; 2, cold: If the baby also has fever, runny nose and other symptoms, you need to consider whether the occurrence of cold, cold milk will also be prone to frequent vomiting. You need to go to the hospital and take pediatric aminoglutethimide and other drugs to actively treat the original disease; 3. Other: In addition, intestinal obstruction, intussusception, gastrointestinal inflammation, encephalitis, craniocerebral trauma, craniocerebral tumors and other diseases can also lead to frequent vomiting of milk in children, so if frequent vomiting is accompanied by other uncomfortable symptoms, you should go to the hospital in a timely manner to check the possible causes and treat them according to the causes. The mother should choose the correct posture when breastfeeding, with one hand holding the baby’s head and neck, the other hand (slightly lower) holding the baby’s buttocks, and the baby’s back resting on the mother’s small arm, such a posture can reduce the number of times the baby spits up. At the same time, it is necessary to pay attention to the baby’s warmth to avoid getting cold and colds, or getting cold in the abdomen to cause discomfort.