Recently, students have started to be paralyzed of smart phone addiction and ruin their education. But are smart phones always bad for education? To look smart phones in the bad way, it is. According to Korea Internet and Security Agency, 7 out of 10 smart phone users have smart phone addiction. That means smart phones are more addictable than PC games. Also, according to Suwon Youth Consult Center, smart phones have an influence in school violence. In contrast, smart phones can somehow be useful for education. Smart phones can now be used as textboo ks. These are called 'Smart Textbooks'. Moreover, smart phones have an anti-school violence application. That way, students can report school violence. In conclusion, smart phones are not always bad for education. It can be used as textbooks, and has an anti-school violence application.