【Objective】 To study characteristics of temperament and behavior of children aged 2 to 3 with developmental disorders of language, provide reference basis for clinical prevention. 【Methods】 The temperament of children aged 2 to 3 with developmental disorders of language were tested with Carry 12~36-month-old children temperament questionnaire and the behavior problems of children with developmental disorders of language were assessed by the Achenbach Child Behavior Checklist(2～3), and with 60 cases in comparison with normal children carried on the analysis comparison. 【Results】 1) The difference of the temperament type's distribution of children with developmental disorders of language children compared with the control group was not significant (P＜0.05), but they showed low persistence and high threshold, and both these differences were significant(P＜0.05). 2)Obvious difference among two factors, score of drawing and aggression was significant(P＜0. 05). 【Conclusions】 The temperament and behavior problem of children with developmental disorders of language have special character. In order to decrease the happenings of the behavior problems, educational measures should be adopted according to the characteristics of its qualities.