Xuliujing Hydrometric Station is the Last control station along the Yangtze River.The hydrometric section is located in the Yangtze River Estuary which feels tide.In order to find out the tide law and compile the volume of every tide according to the codes for liquid flow measurement in open channels,Xuliujing Station has done much research on tide measurement technique and compilation plans during last 10 years.This paper gives a brief introduction to these research results and development direction.