can anyone help me about how to making a how u making tread pattern of my tire design??

small tutorial
(first of all, normally it is better to put solids in the body and surfaces in geom. sets. In lots of industry hybrid design is forbidden)

Answered with a tutorial: https://grabcad.com/tutorials/can-anyone-help-me-about-how-to-making-a-how-u-making-tread-pattern-of-my-tire-design

here is the file

could this be a solution?

maybe it's late but i want to help u if you didn't that yet .
go step by step with that pictures in below
always in your designs pay attention to the designTree.
after these pic u can use" pocket "or "slot" to create the groove.
have good work.

http://computeraideddesignguide.com/modeling-a-car-tire-in-catia/