In this paper，we described a shape preserving spline function with Hermite interpolation condition. A spline function of monotone perserving q(x) is constructed，and q(x) satisfies 1) q(x_i)=y_i，i=0，1，…，n，n+1， 2) q'(x_i)= y'_i i=0，1 ，…，n，n+1. Similar spline functions have a1so been studied for convex sequences {y_i}_i=0ⁿ⁺¹.