Hui Merchants in the Ming and Qing Dynasties set up business information channel systems by taking advantage of kinship network,educational resources,social association,traditional means of communication and management characteristic,which paved the way for their superiority in market competition.

In the age of fast development of information,the analysis of tourists behaviors based on information channel has great effect on tourism market.

The content of risk communication for different roles is different because of their functions and information channels.

The information channel differentiation in terms of consumptive behavior in rural tourism deserves special concern.

This paper summarized the characteristics and demands of rural tourism of seniors citizens in Shanghai,analyzed demands,information channels,and motivation factors of seniors traveling to rural area,by using data of questionnaire and interviews conduced in shanghai from April 2,2006 to May 19,2006,and provided some suggestions for promoting the .

This paper briefly expounds the definition and classification of the commercial information,and based on analyzing the features of the commercial information,emphatically introduces the methods for collecting the commercial information.

The thriving of commerce had its economic and politic causes, but interrelated to the transmission of the commercial information,the way of which diverses and reflects the level and character of commercial econmy in Song dynasty to a certain extent.

Commercial tablets are advertising form of business information.