The purpose of this paper is to analyze the students＇ reflections, written just after coming back from the training course, ＂Child Care & Teaching Practice II＂, and to find the difficulties students have foundin their trainings, and thus to examine a more efficient way of instructing at the ＂Guidance for Child Care & Teaching Practice＂ class.In this study, the following three aspects of description in the reflection sheet, written by the students participated in the ＂Child Care & Teaching Practice II＂, have been used as data. The questionnaire wasto ask what they had been regretting during their nursery practice.For this study, the text mining method has been used, with the ＂KH Coder＂ software. Co-occurrence network was also depicted in accordance with the age of the children, to find out some of the most concrete related terms. For further analysis, the KWIC Concordance has been used in order to seeneighboring word occurrences before and after the related terms.As a result, the following remarks are supposed to be made: For five-year-old children, the trainee students found difficulties at their work due to their easygoing predictions of the children＇s reactions.For four-year-old; the difficulty was due to the trainee＇s inadequate or insufficient addressing to the children. For three-year-old; they were unable to make a proper assessment of the situation at a quarrelbetween/among children, whether or not they should intervene at the scene. For two-year-old; they were at a loss what to find within the children＇s mind, and did not know how to deal with. For one-year-old and below; they failed to watch children in the room as a whole, also found it difficult to have any idea to make children enjoy.