Six-month-old babies spitting up after drinking milk may be physiological phenomenon, timely removal of oral and nasal secretions, etc. can be. Also consider and indigestion, encephalitis and so on related, need to follow the doctor’s prescription medication or surgical treatment. 1. Physiological phenomenon: some six-month-old babies just after drinking milk jet spit up is a normal physiological phenomenon, mainly related to the stomach in a horizontal state, not timely burp after feeding, and so on. Usually do not need to take special measures, parents pay attention to the baby vomit wipe clean, and head to one side, after feeding attention to timely burping and so on. 2. Indigestion: If it is clearly caused by indigestion, parents can follow the doctor’s instructions to the baby with bifidobacteria, lactobacillus and other probiotics treatment. If the baby is breastfed, the mother should pay attention to the reasonableness of the diet and feed the baby on demand. Parents should pay attention to more appropriate activities with the baby to minimize the occurrence of indigestion. 3. Encephalitis: Encephalitis can also cause the above mentioned symptoms. Those who are clearly caused by viral infections can be treated with antiviral drugs such as acyclovir and ganciclovir, while those who are caused by bacterial infections can be treated with antibiotics such as cefixime and ceftriaxone as prescribed by the doctor. Can also use mannitol to reduce cranial pressure, body temperature ≥ 38.5 ℃ with acetaminophen, ibuprofen and other drugs to lower the temperature or physical cooling. There are many reasons why a six-month-old baby spits up after drinking milk, such as pyloric obstruction. Parents are advised to take their babies to the doctor for a checkup and to follow the doctor’s instructions after clarifying the cause of the illness. The baby vomiting during the attention to replenish water, so as to avoid water electrolyte disorders. The above medications should be used in accordance with medical advice.