The objectives of this research were 1) to study the condition of using information on social networks, 2) to study the problems of using information on social networks of students at Bangli Witthaya School, Suphanburi province, and 3) to compare the problems from the use of information on social networks of students at Bangli Witthaya School, Suphanburi province which classified by gender, grade level and social networking experiences. The sample group used in this research was students from Mathayom Suksa 4-6 at Bangli Witthaya School, Suphanburi who studied in semester 1/2022, totaling 266 students. The research tools were questionnaires. The statistics used for data analysis were percentage, mean, standard deviation, t-test and one-way analysis of variance. The results showed that students at Bangli Witthaya School spend more than 1 time per day of using social networks. The duration of each use of social networks is less than 2 hours. Most often access during the night (19.00-24.00 hrs.). They use social networks at home/dormitory and use a mobile phone/smartphone as a device by studying and learning how to use social networks by themselves. Their aims of using information on social networks for educational purposes, follow interesting news both Thai and English, and choose to use information on social networks because they are modern and current. There are problems in using information on social networks. The overall level is moderate. The most problematic issue is they did not know the real needs; therefore, they are unable to define search terms, followed by not knowing which websites to use for searching information and students who are different gender, grade level, and experiences in using information on social networking sites, there are problems with using information on social networks overall is not different.