To enhance the baby’s resistance and immunity, some of the following ways can be carried out: 1, a balanced and reasonable diet, no partial food, no picky eating, daily to ensure sufficient sleep, early to bed, 2, appropriate physical activities, such as swimming, rope skipping, running and playing basketball are possible. 3, can be carried out through oral medication, commonly used oral have transfer factor oral solution, spleen ammonia peptide oral lyophilized powder, pidomod The effect is very good. 4, calcium, iron, zinc and other trace elements supplementation and vitamin D supplementation are good for immunity. You can also take oral lysine vitamin B12 granules oral solution or granules, which helps the supplementation of nutrients and is good for immune function. If the baby’s immunity and resistance is particularly poor, immunoglobulin injections can also be given if necessary to improve resistance and immunity.