The investigation into cases concerning special allowance fund by prosecutors has further given rise to the heating discussion and debates over system of “Procuratorial integration.” With years, negative issues over the system of “Procuratorial integration” have been on rise in terms of practical operation as it is a frequent condition that sees the rejection by prosecutors who would further launch challenge against the system of “Procuratorial integration,” thus leading to internal tension and external doubts over the issue of “Administrative intervention.” Does “Procuratorial integration” is the mechanism of internal control on case quality to prevent prosecutors from abuse of discretion or a measure to intervene the case handling? The crux of problem consists in the misunderstanding of intention on procuratorial independence and contortion on procuratorial integration system that has long been entertained by domestic scholars and practical circle. This essay aims to explore the connotation of procuratorial independence, the design of procuratorial integration in Taiwan and its purpose and theoretical basis in hopes of clarifying the meaning of procuratorial integration from the perspectives of practice and theory to be available for basis as the future reference on statutory amendment.