Liu Gongquan is one of the four masters of regular script in China. He learned from others and created his own style with elegant style and straight brushwork, which was regarded as a model by calligraphers of all ages. Miaohong has been an effective way to learn calligraphy since ancient times. In order to avoid the irritation of red to teenagers' eyes, this book breaks through the mechanical understanding of the word Hong Miao. This book is printed in green, I hope readers will like it.