This paper deals with reviewing the literature on factors related to collecting behavior and considers individual, social and other impacts on collector’s life and functions during collecting. Variety of findings based on researches type such as researches on levels of possession, rareness, and value which influence on collecting behavior, and researches methodology are useful to consumer behavior science. Collecting has useful spiritual and mental effects and it is different from hoarding. Collectible things convey specific meanings. The process of collection completion is like child growth process in which the child starts with collecting cards or stones and then proceeds to demand more worthy things. There are different collecting behaviors in men and women. Things may have two functions; one is the real function to be used and the other is as a part of collecting. Collector is a person who is interested in a specific type of thing because of symbolic values to express oneself meaning, which do not mean hoarding.