The fractal graph became popular in the recent 30 years, by means of the calculation of replacing repeatedly or inferring inversly, we can draw many beautiful graphs.

• 摘要分形图的兴起是近三十年的事，数学工作者对此倾注了极大的精力，随着计算机功能的发展，利用迭代或递归算法，人们做出了许多美丽的图形。