Custom form fields of a SharePoint list

It’s the ability to edit and customize the default form fields for any list.When you open a form in SharePoint list, you'd like to see this form filed at default:

You're not able to see the filed in this list. If you want to set some field as hidden or readonly, how to do this task?

1. Open this form and select a area that you want to put form field.
2. Click Insert->SharePoint Controls->Custom List Form
   
3. Choose List or Document Library Form you'd like to display
   
   
4. This form's field will showed in this page. You can edit properties in this page.
   
   
5. Select the original form ListFormWebPart property, tick hidden in layouts section.