Two years and three months old baby fever generally take physical or drug cooling symptomatic treatment, as well as a clear cause to give cefaclor and other causal treatment treatment. 1. symptomatic treatment: two years old three months baby fever, if it is low fever, general physical cooling, such as the head placed fever patch; high fever need to follow the doctor’s advice to take ibuprofen suspension and other drugs antipyretic treatment. 2. Treatment of the cause: (1) Infectious fever: bacterial infectious fever can be treated with cefaclor and other anti-infective treatment; Mycoplasma pneumoniae infection can be azithromycin anti-infective treatment; EBV infection using acyclovir anti-viral treatment. (2) non-infectious fever: such as Kawasaki disease can cause high fever lasting more than five days, conventional anti-inflammatory ineffective, the need for early treatment with gammaglobulin. Two-year-old three-month-old baby fever, the causes are very many, need to find the cause to better treatment, suggest timely medical treatment. All of the above drugs should be used under the guidance of a doctor.