In order to investigate the teachers and parents' perceptions of school readiness, 218 parents and 370 teachers were surveyed. Based on the areas of "physical well-being and motor development", "social and emotional development", "approaches to learning", "language use", "cognition and general knowledge" and "family", the study attempts to examine and compare kindergarten teachers', elementary school teachers' and parents' beliefs about school readiness. Results are as follows: (1) on the whole, parents and teachers attach great importance to health, attention, parental rearing patterns, confidence, learning interest, etc.; (2) kindergarten and elementary school teachers share a similar outlook on school readiness while elementary school teachers emphasize more on areas such as compliance with teacher authority, parents' educational level, manners, self-centralization, the ability to express and so on, and (3) the difference exists among parents, kindergarten teachers and elementary teachers' perceptions of school readiness.