The invention discloses a direct explaining memory method for English vocabulary letter font meanings, which is an English vocabulary memory method and mainly aims to establish an English vocabulary view angle, improve the memory quality and enlarge the vocabulary. Diachronic study discovers that the spelling forms of English letters, particularly consonants, are basically kept unchangeable; and the lexical meanings have no essential change. The premise condition of expressing word meanings by characteristic letters is formed. By analyzing and comparing the logical relationship between ancient and modern English letters on the meanings, the ancient and modern English letter referring ranges, namely lexical meanings, have a reasonable logical relationship. Characters are visualization of thing concepts or description of characteristics. English speakers classify things with similar characteristics and different attributes into 26 classes which are expressed by using 26 letters. The foundation for mastering the method is to understand concealed unique thought modes of English vocabulary. 3,456 basic vocabularies in accordance with the characteristic letter ideographic theory prove the scientificity of the method.