Based on the principle of proportionality, the proportional construction of criminal procedure aims at proportional systematic control of various compulsory and interfering procedural powers exercised by special organs in the criminal procedure. Traditionally, the principle of proportionality is mainly a judicial principle. The establishment and strengthening of the legislative perspective is the logical starting point of proportional construction of criminal procedure. The basic model consists of two sets of basic proportional relations. the first are those between criminal procedural measures and circumstances of the cases they are dealing with, and the second are those between criminal procedural controls and the criminal procedural measures they are targeting at. The gradient legislative expression of the three analytic levels, namely, the seriousness of the circumstances of the case, the strength of criminal procedural measures, and the strictness of criminal procedural controls, is a bottleneck in methodology, which can be overcome by type analysis techniques combined with the litigation situation and the life facts. The circumstances of a case can be typified according to the type of crime and punishment, the type of the accused, and the type of litigation condition; litigation measures can be distinguished in strength or harshness in light of time, space, method of implementation, interests of the accused, public interests and the related persons, whereas the strictness of procedural control can be adjusted in light of the approval authority, authorization writ, applicable conditions and deciding procedure, process control, remedies, sanctions and other typifying standards. This theoretical model can be used not only to carry out static diagnosis and evaluation of the existing criminal procedural system, but also to make dynamic proportional adjustment, thus serving as an effective tool to remedy the deficiency of proportionality in the improvement of the legislations. |