As representative of industry and service industry' Chinese city E-commerce develop like a raging fire actually, but agriculture electronic commerce appears development with difficulty. The countryside electronic-commerce's development has some problems, how can we solve these problems? This article begin with the functions of reconstruction of electronic-commerce in rural and based on the agriculture electronic-commerce's challenges, we proposed the new pattern of the agriculture electronic-commerce of F to C to B. we hope to can explore an appropriate path of the agriculture electronic-commerce and make contributions for our country electronic-commerce in the countryside development. As representative of industry and service industry 'Chinese city electronic-commerce develop like a raging fire actually, but agriculture electronic commerce appears development with difficulty. The countryside electronic-commerce's development has some problems, how can we solve these problems? This article begin with the functions of reconstruction of electronic-commerce in rural and based on the agriculture electronic-commerce's challenges, we proposed the new pattern of the agriculture electronic-commerce of F to C to B. we hope to can explore an appropriate path of the agriculture electronic -commerce and make contributions for our country electronic-commerce in the countryside development.