This research aims to determine the factors that affect performance of micro, smalland medium enterprises in Malabar, Lodaya and Gunung Gede before and after theimplementation of one way system. There are several internal and external factors thatinfluence the perfomance of micro, small and medium enterprises.This research usedindependen variables (human resources aspect, financial aspect, technical and operationalaspect, market and marketing aspect, goverment policy aspect, Social, Economic and culturalaspect) and variable dependen (performance of micro, small and medium enterprises).The sampling method that used in this research is nonprobability with 100 respondents thathave macro, small and medium enterprises in Malabar, Lodaya and Gunung Gede.Based on this research, obtained the conclusion that there are two factors that have positiveaffect and significant toward micro, small and medium enterprises before the implementationof one way system. The factors are financial aspect and market, marketing aspect earned tcountthat bigger than t-table. Financial aspect (3,536>1,98), market and marketing aspect(5,402>1,98). And there are four factors that have positive affect and significant towardmacro, small and medium enterprises after the implementation one way system. The factorsare human resources aspect (2,082>1,98), financial aspect (3,287>1,98), technical andoperational aspect (2,081>1,98), and market, marketing aspect (3,712>1,98).This research also got result that there are positive affect and significant from humanresources aspect, financial aspect, technical and operational aspect, market and marketingaspect, goverment policy aspect, Social, Economic and cultural aspect together towardperformance micro, small and medium enterprises before and after the implementation ofone way system because it got f-count that bigger than t-table before the implementation ofone way system it earned (18,446>2,20) and after the implementation of one way system(13,605>2,20).Keywords : human resources aspect, financial aspect, technical and operational aspect,market and marketing aspect, goverment policy aspect, Social, Economic and cultural aspectand performance of micro, small and medium enterprises.