In recent years, the new development of large KTV chain - pure K style, with its new concept quickly became the new karaoke trend and collar, a new model of toppled karaoke entertainment. Pure K in a short span of three years, successively in chongqing, dalian, dongguan, Shanghai, hangzhou, Beijing and chengdu open stores more than a few decades, the speed of development has caught the industry shock; Swept the country at that time, so many KTV to follow suit, but didn´t catch on this new era of express. Investigate its reason, is caused by the wind, there is no in-depth analysis model of successful pure K. These operators ignored the core factors of the KTV - sound. Decorated appearance, actually singing sound is a mess, the visible without god, nature will not succeed.