According to semantic search is changing end-user behavior because of finding on a search engine in current is quickly and easily.It is resource of many information, like the library of the world.User not need to enter another web,that difficult to find and may not have sufficient information. Semantic search has better developed from the past.It have automatic search processing for respond and feedback requirement of user.By arranged into categories that easily to accessible, such as searching on Google. Just type the part of the keyword into box search, system will find many information that you need immediately and help user to type. When user search,it has word that same meaning or concern word appear for link to more information.That also sort by popular search. Semantic search have effective to finding various information, get specific thing that what user want and save time