Based on analyzing several phenomena in current indirect suffrage of the Legislative Assembly of Macao SAR，the essay probes into the whole current applying norms on indirect suffrage system，revealing that the so called indirect suffrage is a legal process for candidatenomination and legislative election within legal electivegroups by those entities and organizations accordingly，and there are critical questions of objectiveness ondefinition and allocation of seats，classification of the electors collective for suffrage，and unjustified processing systems on candidate nomination and voting. It finally offers those suggestions on adjusting and improving the indirect suffrage system according to the Basic Law of Macao SAR.