Deterioration of psychological well-being is one of the most negative impacts of social media on Thai teens. Easily accessing to social media to meet and get to know lots of people online. Most of them are the celebrities or affluent persons. This makes ordinary users tempted to compare their lives with the perfect life of those well-heeled persons online. What follows is the feeling of low self-esteem. According to Ahn (2011), “Internet use isolated individuals from their friends and family, and has a negative impact on one’s psychological well-being