Nowadays, the Internet has brought great changes to our lives. Without the internet, our life will be very difficult. The Internet has facilitated our daily life in all aspects. With the help of the Internet, we can be more efficient in our work and study. We can also make friends online. This is conducive to the development of communication skills. There is a limit to everything. Whether in real life or in the virtual world, if you spend too much time making friends with others, you won't have enough time to study. Even in real life, deception is still everywhere. Internet is not the direct cause of cheating. There is no doubt that we cannot do without the Internet, and there is no need to give up such a powerful tool. What we need to do is to control the time we spend on the Internet and be careful. It is most important to have a clear mind and proper behavior.