Babies may wake up easily due to normal physiological reactions or due to abnormalities such as micronutrient deficiency and indigestion. It is necessary to go to the hospital to identify the cause and then treat the symptoms. First, physiological reactions to the baby’s immature cerebral cortex or too shallow sleep can lead to waking up. The baby may wake up due to discomfort while sleeping, as well as hunger, thirst, wet diapers, too thick covers, etc. Parents need to pay attention to the baby’s situation in a timely manner and exclude factors that interfere with sleep, such as adjusting the appropriate room temperature and changing diapers regularly to create a good sleep environment. Second, the abnormal situation 1, trace element deficiency: common in vitamin D deficiency rickets, manifested as night waking, irritability, irritability, pillow baldness, etc.. It is necessary to follow the doctor’s prescription to supplement sufficient amount of vitamin D. It is also necessary to ensure sufficient milk, add supplementary food in time, and adhere to outdoor activities to increase the sunshine time to assist in calcium absorption. 2. Indigestion: indigestion symptoms such as abdominal distension, abdominal pain and gastrointestinal cramps can lead to shallow sleep and frequent waking. Probiotics, such as Lactobacillus, can be used under the guidance of a professional doctor to adjust the intestinal flora and promote gastrointestinal digestion. Parents need to help their children to develop good habits and avoid excessive satiety or strenuous activities before bedtime; usually pay attention to keeping warm and avoiding abdominal cold, which may cause diarrhea and lead to waking up at night.