Public Sphere is one of the most fundamental philosophical cocepts reflected by philosophers. Most of them conceptualize public sphere as locus decisionis a site for making decisions which entails various parties with multitudinous interests projecting toward a deep common accord. This essay will describe reflections about public sphere in relation to making decisions along with its connection to metaphysical dispute regarding The One and The Many. In short this is an essay that reflects upon public sphere in close relation to metaphysical dispute of The One and The Many based on Plato and Aristotle s conceptions.