The paper uses means of information to analyse Guangdong provincial channel resources situation from the four aspects of terrain , transportation , nature reserve , socioeconomic development which is based on geospatial data by integrating Guangdong Province basic geographic data, Obstruction, 220kV and above Power grid etc, Guangdong power grid characteristics and future planning.%本文采用信息化手段，充分整合广东省基础地理数据、障碍物等信息、220 kV及以上电网数据等，基于广东省电网特点及未来电网规划，从地形、交通、自然保护区和社会经济发展等四个方面分析广东省的通道资源情况。
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