1. Supplementing various vitamins, especially vitamin C, has a certain effect on improving and maintaining the baby's immunity. Weak and petite babies should be properly supplemented with multivitamins, have a balanced diet and improve their immunity. Therefore, mothers can give their baby a cup of freshly squeezed orange juice in the morning, and feed some kiwi fruit or strawberries before meals, which is of great benefit to supplement vitamin C. Give the baby a little animal liver and egg yolk for lunch and supplement the baby with enough vitamin A. Occasionally give your baby cod liver oil, take your baby in the sun to supplement vitamin D, and give your baby some different fruits and vegetables every day to supplement a variety of vitamins. In addition, you can give your baby more whole grains. These foods are very helpful to improve the baby's immunity.

2, adequate sleep is the guarantee, in addition to paying more attention to supplementing vitamins in the diet to improve the baby's immunity, improving the baby's sleep quality is a method that can not be ignored to improve the baby's immunity. Adequate sleep is the foundation of good health, and insufficient sleep will affect the secretion of growth hormone in the body. Some parents have the habit of staying up late, which affects their babies to stay up late. However, if this continues for a long time, the baby's immunity will be very fragile. At night 1 1 point, it is the detoxification time of the liver. Sleeping too late can easily lead to poor liver detoxification, and then all kinds of bacteria and viruses can easily invade the body. Therefore, it is better to let the baby go to bed early and get up early, which will help improve the baby's immunity.

3, insist on exercise, even if the baby is in good health, you can not exercise for a long time, and the body's resistance and immunity will decline, and insisting on exercise every day can effectively activate the baby's immune cells, thus improving the baby's immunity and making the baby's physique better. Therefore, if you want your baby to have a good physique, you should take your baby to exercise regularly. Running, walking and playing ball are all good choices to enhance your baby's immunity.