The author analyzes the philosophical rationalism and empiricism,
and its effect in natural language processing research compared the rulebased
rationalism in natural language processing methods and the advantages
and disadvantages of the empirical method based on statistics, advocated to
combine the two methods to promote the development of natural treatment
research. This paper also analyzes the development of the concept of knowledge
ontology from philosophy to knowledge ontology engineering and illustrates
the profound influence of philosophy on natural language processing.