The mature of Internet brings us a flourishing online game industry, which grows amazingly in the past few years. However, the stunning performance also makes some con artists try to take advantage of it and speeds the launch of cheating software- plug-ins that put the online game industry in an awkward position. Sadly, even though the industry has been trying hard to solve the problem but it’s really difficult to make it without government supports. The purpose of this research is to fully understand why players are attracted by plug-ins and to find the best solution. After researching and analyzing, we found a surprising conclusion- the key factor that makes online game colorful is also the reason that attracts players to use plug-ins.