Because after the reform and the opening, our country is subjected to the influence of history cultural tradition etc., valuing to usher into western science technique excessively, and neglecting to draw and develop lessons from western science reasonableness spirit on the different degree. In science democracy and glorious today, it appears the practical, the substantial evidence, formal, the customs and the tool etc. problem of science reasonableness. The existences of these problems make us still lack to independent creative ability of independent science technique adapting the socialism modernization construction demand up to now. Therefore, deeply introspecting many problems of science reasonableness spirit, has the very important meaning for further developing science reasonableness spirit, and forming independent creative ability of independent science technique, in order to carry out the struggling target of overall construction the middle—class family society in our country.