This is qualitative research. The aim of research. 1. Success is to study the use of social networks The United cycled teacher Cooperatives saving Phetchaburi. 2. Learning how to perform of the teacher's Cooperatives saving Phetchaburi. 3. Identify problems in the implementation of the Cooperative saving teacher Phetchaburi. The main Data by cooperative saving committee including Officials and members of cooperatives All 12 peoples. The main data by researchers has used data from “Purposively selected" The analysis results were used for the descriptive analysis. The research Results 1) The success of the cooperative will have to happen with the cooperation of carriers and subscribers. The social networks to support the cooperation working. 2) The effective implementation of Cooperatives saving board, because the board has ability to perform their work. 3) The difficulty of cooperatives saving are , 1.The operation space maybe to small which not suitable enough 2. The member of cooperatives saving not paying there pending dept in time and regularly which may leave to NPL(non profit loan). 3.The delay operation may lead to slow.