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Ideal definition of SLI should involve exclusion of intellectual disahility together with scores at 10th％ or lower on two or more of five composite score developed from seven language measures. (Tomblin et al 1996 ).Criteria for SLI(Elena Plante，J of S，L，and Hearing research 1998)-PIQ of at least 85 and at least one of the followings; a. a receptive language age score of atleast 6 months below MA or CA; b. combined LA score of at least 12months ＜ MA or CA; c. andexpressive LA score that is at least 12 months ＜ MA or CA. SLI subgroups-verbal dyspraxis，phonologic programming deficit syndrome; phonologic-syntactic deficit syndrome，leical-syntactic deficit syndrume，semantic-pragmatic deficit syndrome，verbal auditory agnosia.This paper aims to present the language characteristics of children with SLI from 2 case studies．