At this point in the workflow, you should have an idea about basic shape of the hairstyle. You can use XGen Utilities, such as Guides As Curves or Lattice, to generate the basic shape from the guides.
 beside 
  Preview
 beside 
  Preview 
   , and turning off 
  Update Preview Automatically. Clear the preview by clicking
, and turning off 
  Update Preview Automatically. Clear the preview by clicking 
   . This lets you better see the guides as you work with them.
. This lets you better see the guides as you work with them. 
 -select all the guides.
-select all the guides. 
   to select the Guides As Curves utility.
 to select the Guides As Curves utility. 
	 This utility lets you shape the guides as NURBS curves.
A temporary NURBS curve is created for each guide.

If this happens, click Accept to save the curves you have already modified. Select the guides you still want to shape, and then click Modify As Curves.
After shaping the guides, locate and expand the xgCurveFromGuide group in the Outliner and select all the _tempCurves objects.
Maya applies the curve shapes to the guides and deletes the temporary curves.

 -clicking a guide, and then selecting 
		Guide Control Points from the menu that appears.
-clicking a guide, and then selecting 
		Guide Control Points from the menu that appears. 
	  to mirror their position and shape to the opposite side of the mesh.
 to mirror their position and shape to the opposite side of the mesh. 
	  to view the generated splines.
 to view the generated splines. 
	  .
. 
	 Notice that the splines cover the scalp region, but are spread too thin. Increase the Density attribute to add more splines per-face and preview the Description again.
With the basic hair style completed, you can modify primitive attributes so the splines look more like hairs by setting the width and adding taper.
To set spline Width and Taper