Objective To investigate the treatment,outcome and influencing factors of neonatal hyperthyrotropinemia and improve the treatment and follow-up level of hyperthyrotropinemia. Methods Neonates were diagnosed hyperthyrotropinemia in 2012~2014.Some were treated with drug whose concentration of thyrotropin were greater than 15mU/L.The others were followed up whose concentration of thyrotropin were 6.27~15mU/L.The follow-up group were splited into two groups with a tangent of 10. Results Two follow-up groups wit...