In order to apply the fractal dimension to the research on the wire corrosion behavior, this paper observed fractal dimensions of the wire corrosion surfaces in different immersion mediums. The relationship between the fractal dimension and parameters of weight loss and electrochemical corrosion were studied, and the reliability of fractal dimension in the analysis of electrochemical corrosion behavior of steel wire was focused on. The results show that the weight loss rate in acidic solution has always been the largest during the whole soking, the effect of different solutions on wire corrosion characteristics was getting smaller and smaller with the increase in immersion time. The corrosion current density curve has the similar trends with the weight loss rate curve in the same solution, which reflecting the test reliability and the variation of the wire corrosion rate. And the fractal dimension curve also have a consistent variation with the first two curves, which indicating that the fractal dimension of corroded wire surface can well reflect the variation of the wire corrosion behavior.