The purpose of the research was to study the factors that have an effect on saving of the members in Khon Kaen Province Public Health Saving Cooperative Limited. It was descriptive research with all 400 members of the savings cooperatives analyzed by percentage, frequency, ordinal logistic regression, multi nominal logistic regression, mean and standard deviation. The study also discovered the most impact on saving behaviors of the member usually save once a month and deduct form salary. The favorable type of saving was by buying stock in Khon Kaen Province Public Health Saving Cooperative Limited. The social factor had the most impact in order to meet the precautionary expense and self-influences decision to saving and economics factor had high impact on saving behavior for instance income, deposit interest, furthermore getting information about Khon Kaen Province Public Health Saving Cooperative Limited, it was another factor that affects the saving behaviors of the members.