Background:The minimum data considered as a conceptual framework, based on the achievement of effectiveness indicators and it ensures to access of precise and clear health data. The aims of the present study were identified and proposed a data element set of speech therapy centers affiliated with Tabriz University of Medical Sciences.Material and Methods:This study that was cross – sectional type, performed in 9 speech therapy clinic from medical university in 2014. Firstly, the minimum data elements set evaluated using the check list in these centers. Using the findings from the first step and survey of internal and external documentation forms, designed a questionnaire containing a minimum data speech therapy files and it shared between 36 Speech therapy experts using 5 options of Likert scale. Validity of questionnaire was examined through its validity and reliability of content by retest. For data analysis, data processing was performed using descriptive statistics by SPSS21 software.Results:The minimum data set for speech therapy were divided into two categories: clinical and administrative data. The Name and surname, date of birth, gender, address, telephone number, date of admission and the number of treatments, the patient’s complaint, the time of occurrence of injury or disorder, reason and age of disease considered as the most important elements for management data and health history. For the most important elements of clinical information were selected Short-term and long-term aims and development of speech history.Conclusion:The design and implementation of suitable data collection of speech therapy for gathering of data, we recommended planning for the control and prevention of speech disorders to providing high quality and good care of patient in speech therapy centers.