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Abstract: Sound records of 5 children taken from birth through the first three years ofage were analysed. Three obvious points concerning the development of language inchildren may be shown in the following: (A). The development of language is a continuous, sequential and regular pro-cess with transitional changes both quantitatively and qualitativaly all through. It iscoutinuous as well as by stages, and may be divided into six stages: (1). The stage of simple vocalization —— from birth to 3 mon.; (2). The stage of continued syllable repeating —— 4 to 8 mon.; (3). The stage of beginning to speak —— 9-12 mon.; (4). The stage of one word sentences —— 1 to 1 yr.; (5). The stage of simple sentences —— 1 to 2 yr.; (6). The stage of beginning to use compound sentences —— 2-3 yr.; (B). The shild's language development proceeds from concrete to abstract, thismay be seen from the process of grasping words and their parts of speeoh. (C). Individual differences in language development are quite clear even amonginfants in such a amall group.

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