根据武汉市南湖花园城规划，提出了排水管网与土方的优化关系及区域优化下限面积，本规划已付诸实施。

Optimal Planning on Little District Drain Pipenet and Topography Xu Jiayun\ Tang Chuding\ Xu Jie\ Du ShuiBased on the planning of Wuhan South Lake Garden, this paper presents the optimal relationship between drain pipenet and earthwork,and presents the optimal inferior limit area.This planning has been practised.city planning;\ municipal administration engineering;\ earthwork;\ environment