Philosophy of information should not be taken as the study of philosophical problems in information science and information technology, nor it should be considered as a certain philosophy branch which is affiliated to or can be summed up into any existing traditional philosophy. “Partition of existential field” is the highest paradigm of philosophy; and only changes in the highest paradigm can constitute the revolution of philosophy. Philosophy of information has triggered radical changes in the highest paradigm of philosophy for the first time, so it will certainly bring about the revolution of philosophy.