The research; proposes to educate how the periodic market development, characteristic and charming of the periodic market also learning the humanity life style at klongthom laemchbang. The study was based on qualitative research methodology, study  research documents and the in depth interviews and the participatory observation were used for data collection, participatory and non Participatory observation. Key informants in this research were vender in  periodic market. The collected data was analyzed presented  descriptptiely. The results finding were as follows:
1.  The periodic market is one of economic activity of humanity appearing for several years. It is the central of exchange both products and services. The periodic market has managed not whole year just only fixed timing, data that following the people convenience. For product will be change form and item that up to environment of economic, social, politic and higher technology. The exchange activity has developed to be business that purpose to earn benefit so the location of periodic market should be near the big city. It conveniences for people who live around the big city, too. Products are sold in market are different up to people requirement. At the periodic market is full of smiling from sellers and sound of calling their customers also crown of the people turn to buy things. Both customers and sellers talk to each other as same as they are from the same family and making colorful on the market area.
2.  Humanity life style klongthom laemchabang is starting after most of people finished their work and back to rest at their houses but for the sellers; they are starting on their jobs. The description of this occupation is working out side among hot weather, different places, lack of money stability, forecast earning money comes from economic and budget of other people. Some cases, from the economic crisis and their customers have small budget also save money that is effected to seller at periodic market. The weather is one of  factor for sellers. Because of the place of the market is without roof if someday raining, they can not go out to sell things. It means that they can not make money on that day. From above reasons and factors the sellers know how to control their budgets. So for more know how to control their relationship between seller and seller. And they work under the same rules from owner of the market. 

