As a measure technology for testing parameters of multi-phase flow,Electrical Capacitance Tomography(ECT) has the characteristics of non-intrusion,non-radiation,low cost,fast response,easy to implement.The quality and rate of image reconstruction are critical for application of ECT in practical industries.In this paper,ECT image reconstruction algorithms,LBP,Landweber iteration,and MLRR are used to analyze the four factors that affect the reconstructed image quality including the number,the shape of pixel,t...