This is not required. Practicing one style has the effect of practicing one style, but it is of course the best to insist on practicing twelve styles. Dharma Yijin Jing is a relatively systematic and correct version of Yijin Jing, which is now handed down by Sui Huiyou. Can dredge all meridians and viscera, and has quick effect. Dharma Yijinjing is indeed a good way to keep fit in China. This work effectively combines god, body and qi, that is, human spirit, body and breath. After gradual and persistent earnest exercise, the five zang-organs, the twelve meridians, Eight Strange Meridians and the whole body meridians are fully conditioned, so as to achieve the purposes of health care, physical fitness, prevention and treatment, anti-senility and longevity.