Among them, the twelve styles are Wei Tuo's first, second and third styles, star-picking and bucket-changing, Kyubi no Youko's dragging style, claw-flashing style, nine-ghost sword-drawing style, three-dish floor-standing style, Qinglong claw-probing style, crouching tiger pouncing on food, bow-pulling style and tail-falling style.
At present, there are many researches on Yijinjing, and the schools are different or slightly different. But in a word, the practice of "Fitness Qigong Yijinjing" Qigong can obviously improve the mental agility, movement flexibility, short-term memory and attention quality of the elderly, and can play a role in delaying the mental decline of middle-aged and elderly people.