How to make points to a contour

1. Be sure ur data is “double”,if in your text file has any word, ArcVeiw (or ArcGIS)can’t read it.

2.Open ArcVview 3.x(Before open it ,make sure ur computer instanll”3D analyst &spatial analyst”
2.1 point “table”-->”add”
2.2 view-->"add event theme"
2.3 surface-->interplate Grid, choose “output Grid Cell Size=0.01(as well as you want)
2.4 click OK