Search Engine is an important means

which people looked for their requirement information.Then the measurement methods also turn to an important research course.This article deeply analyses the development status of search engine retrieve performance measurement in the native and abroad

then a measurement method based user path model was established.The user action model was researched form user retrieve action

and then the user path map rule is put forward.Furthermore

the evaluation process of search engine retrieve performance was described

and defined measurement method of successful search.Last

through the accomplishment of evaluation platform

the practice signification was proofed.