I shall introduce the different kinds of behavioral consumption of prediction methods include: the standard economic model of behavioral consumption of prediction method, online psychological advertising of prediction method, brand image attention of behavioral consumption of prediction method, store atmosphere environment influence prediction method, knowledge of the factors prediction method, constructive consumer choice processes influence prediction method, survey research prediction method, consumer neuroscientific research prediction method etc. different psychological research of consumption methods.I shall explain why analysis of demographic trends is only important for industrial and business-to-business marketing and why it can't concentrate on consumer individual consumption marketing both as well as to explain why in an individual firm, which must understand not only the customer's minds, but also the minds of the customers'and to explain how to apply demographic analysis to predict consumer behavior factors include: changing structure of markets, geographic factors, economic resources and global markets. I shall explain why market analysis requires information about consumers with needs, ability to buy, willingness to pay and authority to pay, changing structure of consumer markets, such as how many consumers will there be? e.g. birthrate, national increase, fertility rate, total fertility rate, population momentum etc. information. I shall give insurance and travel both industries to explain how to apply behavioral economy theories to solve consumer behavior prediction as well as I shall indicate some methods to explain how manufacturers or service providers can attempt to solve some challenges encountering when who attempt to predict consumer behaviors. Finally, I shall indicate what the methods are the most effective to attempt to predict consumer behaviors.In part two, I shall explain what psychological method means and how to apply psychological method to predict consumer behavior. Consumer behavior is comparatively a new field of study. It led every manufacturer's attention from product to consumer and specially focused on consumer behavior. The evaluation of marketing concept from selling concept to consumer oriented marketing has resulted in buyer behavior becoming an independent discipline. The growth of consumerism and consumer legislation emphasizes the importance that is given to the consumer. Thus, consumer behavior is a study of how individuals make decision to spend their available resources ( time, money and efforts) or consumption related aspects ( what who buy? when why buy? how who buy? etc.) Hence, marketers need to obtain an depth knowledge to know to use what psychological method(s) is(are) the suitable to predict consumers buying behavior to raise customer numbers easily . Finally, this knowledge acted as a tool to the marketers to forecast the future buying behavior of customers to reduce any new products of investment risk before who decide to manufacture to sell to the market.