In the article, “Establishment of normal reference values of NT-proBNP and its application in diagnosing acute heart failure in children with severe hand food and mouth disease”,[1] which appears in Volume 97, Issue 36 of Medicine ̧ the word foot was misspelled as food in the title and the title should be “Establishment of normal reference values of NT-proBNP and its application in diagnosing acute heart failure in children with severe hand foot and mouth disease”. Here, NPPB is linked to mouth disorder.