A baby with fever and cold hands and feet suggests that he is currently in a high fever state and that the lack of water in the body causes the blood to run poorly and toxins to be excreted, so it causes cold hands and feet. Therefore, the first thing to do is to take your body temperature and see if it is over 38.5 degrees and in a high fever state. If it is over 38.5 degrees, give fever-reducing medication first, you can take oral Merlin or Tylenol. If it is difficult for the child to take medication, you can also insert fever suppositories, like ibuprofen suppositories as well as acetaminophen suppositories. In addition, the child should also be given physical cooling, bubble feet, especially with warm water, using a towel to wrap the feet rubbing vigorously, so that the feet or hands after rubbing hot, in order to make the permeability of blood vessels increased, to promote blood circulation. Finally, also a lot of feeding warm water, only the body water is sufficient to speed up blood running, to be able to quickly lower the body temperature.