To achieve gender equality, the 12-year National Basic Education Curriculum Guidelines set forth the teaching contents and themes for issue- based Gender Equity Education. This article aims to analyze and explicate two substantive principles for developing these teaching contents and themes. Firstly, issue-based Gender Equity Education should aim to develop students' gender consciousness and the ability of taking action to achieve gender equality. Secondly, the contents and themes of issue-based Gender Equity Education are designed in accordance to the three fundamental ideas of the 12-year National Basic Education Curriculum Guidelines, that is, taking the initiative, engaging the public, and seeking the common good. This article also introduces the concrete approaches to integrate the issue-based Gender Equity Education into curriculum of different learning areas, and the resources platforms for teaching on issue-based gender equality education.