The present disclosure provides an English input method and device. The English input method includes the following steps. An input English character string having an original length is received. A target length is calculated based on the original length of the English character string. A target English word having a length between the original length and the target length is looked up. A longest common length between the target English words and the English character string is calculated, where the common length refers to a length of identical letters. The target English words are returned when the longest common length is equal to N times the target length, where N is a positive number less than or equal to 1. Even when a user forgets the exact spelling of an English word or enters only a fraction of the spelling, the user may still obtain the required English word based on the inputted English character string, substantially improving operability.
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