Abstract: This experiment is aimed at exploring the developmental conditionscharacteristics and regularities of Chinese middle school studentsideology and morality in the 1980's in terms of value systems and moraljudgements and their interrelationship. The research results indicate thatvalue systems of the middle school students are influenced mainly bysocial and personal psychological factors. The value systems across thefour grades manifest some identities and differences. The moral judgementlevels of the middle school students increase gradually with age.Grade 2 is the key period for the development of moral judgementsSubjects at different moral developmental stages attach importance todifferent values. Values are the basis, foundation and criterion of morajudgements.

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