Introduction: Evaluation of health care services is an essential step in improving health care quality and without it such an improvement could not be achieved.

Material and Methods: In this descriptive study, parent’s satisfaction of child’s health care in the health and treatment centers affiliated to Tehran University of Medical Sciences was evaluated. Four hundred parents who had attended 25 health and treatment centers were participated in this research. A questionnaire was completed through the interview with parents of 1 to 12 months old children. Analytical and descriptive statistics were used for the analysis of data.

Results: The finding of this study showed that the majority of parents had average levels of satisfaction concerning communication’s skills of health care providers and high levels of satisfaction about availability of these cares. Satisfaction of parents in the section of the vaccination was high and majority of samples had average levels of satisfaction about growth monitoring of children. There was a relationship between infant's age and parent’s satisfaction.

Conclusion: Based on these findings recommendations have been made for future research. The findings of this study can be utilized in public health planning in order to improve the quality of the infant’s health care services.