System introduction: the system can provide early childhood language ability training and assessment, training content including basic training, words, phrases, sentences, short passages. According to the rules of children's language development, the system can conduct unconscious communication training, communication training, short sentence, short essay expression communication training and so on. The training content is divided into several themes, containing a large number of words, sentences and short passages, which is convenient for personalized teaching and training for children.

Scope of application: it is applicable to children with hearing impairment, language retardation, mental retardation, autism, cerebral palsy and other special groups with articulation, speech and speech disorders, and it is applicable to rehabilitation institutions of disabled persons' federation at all levels, special education institutions at all levels, and various rehabilitation and training institutions. System function parameters:

1. Function composition: the built-in function module includes student file management, language development interface, early language assessment, early language training and open teaching platform

2. Student file management module: search, modify, delete and make statistics of user data. Multiple evaluation results of the same trainee can be compared before and after comparison analysis, showing histogram and tracking training effect.

3. Introduction module of language development: it is used to introduce the language development status of children in different periods, including the development description of phonetics, phrases, vocabulary and other stages, so as to help rehabilitation teachers quickly understand the key points of early language development of children.

4. Early language assessment module: the assessment module is divided into scale assessment and functional assessment, which includes word assessment, phrase assessment, sentence assessment and short essay assessment.

5. Scale assessment: the commonly used children's language and behavior assessment scale is used for comprehensive subjective assessment, and the score scale for each item can be obtained.

6. Functional evaluation: words, phrases, sentences and passages can be evaluated at all stages. According to the actual situation of patients, stage evaluation or immediate training evaluation can be selected.

7. Evaluation of word comprehension ability: not less than 10 words are evaluated according to the common two-syllable words in daily life, including plants, animals, common articles and other topics.

8. Assessment of phrase comprehension ability: the number of common juxtaposed phrases, verb-object phrases, subject-predicate groups, and common biased and positive phrases shall be assessed according to multiple themes, with no less than 10 items.

9. Assessment of the comprehension ability of sentences: the number of sentences should be no less than 10, including the "is", "is", "is" and "is".

10. Assessment of short passage comprehension ability: including 10 short passages of life, self-care and language comprehension and expression.

11. Early language rehabilitation training module: according to and following the laws and theories of language development, a large number of important and key basic words, phrases, sentences and short passages at different stages of language development are built in. Including word learning, phrase learning, sentence learning, short essay learning, music training, through the recognition, recognition, language prosody measurement, situational application, comprehensive application of sentence and other forms of questions to stimulate children's interest in training.

12. Training of word understanding and expression ability: vocabulary and concept training, mainly including expansion training of function, feature, attribute and matching concept.

13. Language understanding and expression ability training: language cognitive development training, including subject, object, predicate and other categories of training.

14. Training of sentence comprehension and expression ability: including the training of "is", "is", "is", "is" and "is".

15. Passage comprehension and expression training: the passage training is carried out by reviewing and understanding exploration mode.

16. Selection of training theme: self-designed curriculum design is adopted for training. Training resources include human body, learning supplies, transportation tools, sanitary supplies, fruits, animals, values, household appliances, food and other topics, and the number of resources is not less than 7000.

17. Personalized training editing: personalized training editing design is adopted in the early language rehabilitation training. The rehabilitation teacher selects the corresponding training mode, time, theme, content and quantity according to the built-in resource database.

18. Open teaching platform: teachers can design, edit and build large training question Banks by themselves according to the actual level and teaching needs of trainees, and carry out individual training at various stages, so as to make the training more targeted and improve the training effect and efficiency.