It is generally recognized that food does not enhance resistance, but adequate nutrition plays an important role in maintaining a baby’s resistance, and often malnourished babies have lower resistance than their peers. In addition to diet also need to adhere to sports exercise, ensure adequate sleep. 1. Eat nutritious food: parents should give the baby appropriate food rich in protein, vitamins and trace elements, such as eggs, milk, lean meat, fish and shrimp, and a variety of soy products, etc., to help supplement the nutrients, to maintain resistance. 2. Adhere to exercise: the baby should adhere to the appropriate exercise every day, more sunshine, the smaller the baby parents can tease the baby to play, increase the amount of physical activity, help to strengthen the body. 3. Ensure adequate sleep: every day to develop a good habit of going to bed early and getting up early, to ensure that babies get enough sleep, help to promote growth, overwork or stay up all night can lead to a decline in the baby’s resistance. Parents should strengthen the baby’s daily care, add supplemental food reasonably, develop good living habits, promote healthy growth; the occurrence of physical symptoms, please consult a doctor in a timely manner, active treatment, so as not to delay the condition.