1. Conic section road border model put forward to the form characteristic of the border of road, the ones that have realized to identification line of lane which are followed in real time.

2. Given a hexagon inscribed in a conic section, the three pairs of the continuations of opposite sides meet on a straight line, called the Pascal line.

3. Thus, we give a make-graph method of conic section on plane with arbitrary point as foci, arbitrary line as directrices and arbitrary positive number as eccentricity.

4. In this paper, we mainly use change bound of the parameters and properties of conic section to work out the eccentricity of the conic section.

5. However, when determining the different orders of four points, there is difference existing in the conic section type.

6. According to the fUndamental theorem of coniC In projective geometry any five points can decide one conic section.

7. The paper discusses the ways to cultivate students creativity by example of teaching conic section.

8. By using transformation thought, this paper obtains the focus chord of all kinds of conic section through analyzing a sample in conic section teaching.