Dry vomiting in infants can be caused by digestive disorders, respiratory disorders and food allergies. You need to go to the hospital to check the cause and then carry out targeted treatment. Common causes and treatments 1, digestive system diseases: common in indigestion, acute gastroenteritis, gastroesophageal reflux disease, etc., can be caused by improper feeding, irregular diet, and infection with bacteria, viruses, etc., causing bloating, nausea, dry vomiting and other symptoms. Probiotics can be taken as prescribed to promote gastrointestinal motility and reduce intestinal discomfort; 2. Respiratory diseases: such as pharyngitis, laryngitis, pneumonia, bronchitis, etc., can cause gastrointestinal reactions, resulting in dry vomiting, nausea, etc.. Nebulized inhalation treatment can be given as prescribed by the doctor to relieve dry vomiting; 3, abnormal phrenic nerve development: when the phrenic nerve development problems, the lateral hemidiaphragm is affected, easily stimulated and caused by dry vomiting, parents need to take the baby to check, after a clear diagnosis can be surgical treatment to relieve dry vomiting symptoms, such as diaphragmatic folding; 4, abnormal feeding: infants have not yet developed digestive, absorption function, when adding shrimp, eggs or Formula milk, can appear dry vomiting, nausea of the digestive tract reaction. Allergens should be found in time, change the formula and avoid adding allergic foods. If breastfeeding, the mother needs to pay strict attention to the diet, avoiding fish, shrimp, and greasy foods such as barbecue. Attention should be paid to the infant’s dietary hygiene in daily life, regular diet, more household exercise, and good rest to increase immunity. It is also necessary to maintain indoor air circulation and feed water regularly to reduce the probability of gastrointestinal diseases and respiratory diseases in infants.