One year old baby regurgitation dry heaving may be related to physiological factors, gastrointestinal diseases, pharyngitis and so on. 1. Physiological factors: because the baby’s stomach capacity is small, intestinal peristalsis is slower, when eating more, faster can cause food accumulation, or milk crying caused by swallowing more gas, bloating can be caused by regurgitation and dry heaving phenomenon. 2. gastrointestinal diseases: when the baby eating unclean food, stimulate the gastrointestinal mucosa, causing gastrointestinal inflammation, or the abdomen is cold after causing intestinal spasms, can also appear regurgitation and dry heaving symptoms. 3. pharyngitis: acute inflammation of the pharyngeal mucosa, submucosa and lymphatic tissue, can appear pharyngeal dryness, pain, swallowing saliva will stimulate the pharynx cause vomiting. One year old baby regurgitation dry vomiting may have other reasons, it is recommended to go to the hospital in time to improve the examination to clarify the cause of the disease, to give targeted treatment or treatment.