Baby’s fever and vomiting may be related to gastroenteritis, viral encephalitis and other causes. It can be treated with antipyretic and analgesic drugs, probiotics and antibiotics and antiviral drugs. 1. Antipyretic and analgesic drugs: children with fever and vomiting symptoms, the first need to lower the temperature treatment, body temperature over 38.5 ℃, need to take oral ibuprofen or acetaminophen and other antipyretic treatment, less than 38.5 ℃ can be paste antipyretic patches, warm water wipes and other physical cooling. 2. Probiotics: If children vomit severely, it may be related to gastrointestinal dysfunction. Probiotics such as Bifidobacterium bifidum or Bacillus subtilis can be given to children to improve the intestinal microenvironment. 3. Antibiotics: The symptoms of fever and vomiting in children may be related to unhygienic diet. It may be gastroenteritis caused by bacterial infection, you can take antibiotics such as pediatric cefixime to eliminate intestinal inflammation. 4. Antiviral: Children with symptoms of fever and vomiting may also be considered to have encephalitis caused by viral infections, which requires the use of antiviral drugs such as ganciclovir. The symptoms of fever and vomiting in children may also be caused by other diseases, it is recommended to consult a doctor in time, the above drugs should be taken under the guidance of a doctor.