In 1997, WHO reported that 25% of pre-adolescents used to drink alcohol worldwide. The purpose of this cross-sectional research was to explore the alcoholic beverage consumption (ABC) behaviors among 380 primary school students in Khon Kaen Province, Thailand. Data were collected by questionnaires and analyzed by descriptive statistics. The results revealed that 68 students (17.90%) used to drink and started drinking at 8 years old. For those who were in the alcohol consumption group, the average (SD) age onset of alcohol consumption was 10.78 (1.28) ; range 8-13 years. The most common reason for the first time of their ABC behaviors was curiosity in testing alcohol (64.71%). Most of them shared the drink with friends (75.00%). There were 60.29% and 48.52% of them that consumed alcohol after finishing their final examinations and birthday parties respectively. Most students can buy alcohol at the convenience stores (66.17%). There were 69.11% who had alcohol consumption with their family members. Conclusion: Curiosity, peers, celebrating events and family members seemed to considerably influence on the students' ABC behaviors. Therefore, health-related agencies, schools and students' families may need to help together in solving this drawback behavior of young children.