The fractal geometry can describe many irregular and fragmented structures, that cannot be described by Euclidean geometry. It has considerable aplications such as in soil pores and permeability modeling. But scientific aplication in nonwoven needle geotextile is very few. Important concepts of the fractal geometry-the fractal dimension and the fractals are presented in this paper. Its aplication in nonwoven needle geotextile is discussed. Eelevant computer programs are written using electronic microradiograph of geotextile and fractal geometry theory to obtain the fractals and fractal dimension of non woven needle geotextile. In logarithmic coordinate, comparison of pore radius r of nonwoven needle geotextile with the frequency of pore radius larger than r shows a good linear ralation. This shows that the distribution of pore radius has a fractal structure.
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