Babies with fever of 38℃ and cold hands and feet should be treated with timely fever reduction. You can choose physical fever reduction methods to regulate the fever, for example, you can wipe the back, feet and chest with warm water, which can play a fast heat dissipation effect, which is less painful for the child and conducive to acceptance. You can also take oral medication at the same time, such as oral ibuprofen granules or compound zinc cloth granules, and the symptoms of fever can be relieved in about 3 hours. If you have cold hands and feet, you can also use hot water bags to apply to the hands or feet externally to promote local blood circulation, which is very helpful to improve the symptoms of cold hands and feet. During this period, you should pay attention to the child’s nutrition supply, do not let him suffer from nutritional deficiency or stomach irritation, otherwise the stomach discomfort and nutritional deficiency will make the cold hands and feet condition worse.