Baby oral period eating hands nausea spitting up milk may be normal, may also be acute gastroenteritis, functional dyspepsia and other factors caused by such cases is not normal. When the baby eating hands may stimulate the pharyngeal nerves leading to spitting up, nausea symptoms, or the baby’s stomach capacity is small, the pyloric sphincter is more developed but the lower esophageal sphincter is more relaxed and other factors can cause nausea, spitting up symptoms, the above situation is a normal physiological phenomenon. In addition, if there are bacteria on the hands, the baby often eat hands, bacteria can enter the gastrointestinal tract, due to the baby’s immunity is relatively low, easy to cause acute gastroenteritis, resulting in nausea, spitting up performance. Functional dyspepsia can also cause nausea and spitting up. The above situation caused by the abnormal phenomenon, need to cooperate with the doctor active treatment. Appearance of appetite period of the baby eating hand nausea spitting milk situation, if suspected to be caused by disease is recommended to go to the hospital.