The causes of fever and blisters in the throat in children are mainly due to herpes pharyngitis or hand, foot and mouth disease, etc. Children can be given the following measures to deal with them in a timely manner: 1. Children can be given Chinese medicines to clear heat and detoxify the throat, such as Qing Kai Ling granules or Yin Huang Wan, both of which can play a good role in clearing heat, detoxifying the throat. 2. 3. children can be given antibacterial drugs. If fever and blisters in the throat are caused by bacterial infection, children should be given antibacterial drugs such as erythromycin or amoxicillin in time.