In general, it is recommended that newborns swim once a week in the winter and once every 2-3 days in the summer, with some variation in frequency. Appropriate swimming for newborns is beneficial to health and development, as it can rinse dirt from the skin surface, and the stimulation of the skin can be fed back to the central nervous system, which is conducive to the development of the central nervous system. However, the secretions on the surface of the skin of newborns also have a certain protective effect on the skin, if swimming too often, the secretions on the surface of the skin can not play a good protective role, but will damage the skin. So it is recommended to swim 2-3 times a week in summer. In addition, the winter temperature is low, newborns swim too often easily lead to colds, 1 week swimming 1 time can be. In addition, it is recommended that newborns swim half an hour after eating milk, so as not to cause nausea, vomiting and other discomforts.