怀疑论是哲学史上一种非常独特的哲学形象 ,它是一种对客观世界和客观真理是否存在、能否认识表示怀疑和否定的哲学学说。从其实际效果来看 ,怀疑论是一中消极的哲学体系 ,因为它把怀疑当成思维的首要原则和对待一切的出发点 ,导致了哲学上和知识上的虚无主义。然而问题并非这样简单 ,怀疑论作为一种哲学形态 ,在人类认识和思想发展史上却又具有非常重要的地位。值得我们深思的是 :在从古至今的著名哲学家中 ,具有怀疑思想者占有相当大的比例。因此 ,对于怀疑论哲学的地位和作用应该进行具体的分析和研究 Skepticism is a very unique philosophical image in the history of philosophy. It is a philosophical theory that expresses doubts and negations about whether or not the objective world and the objective truth exist. From its practical effect, skepticism is a negative philosophical system because it regards skepticism as the primary principle of thinking and the starting point of treating everything, resulting in philosophical and intellectual nihilism. However, the problem is not so simple. As a philosophical form, skepticism plays a very important role in the history of human knowledge and ideology. What deserves our consideration is that among the famous philosophers from ancient times to the present, skeptics occupy a considerable proportion. Therefore, we should conduct a concrete analysis and research on the status and role of skepticism philosophy