If you swing and you broke you tee, it isn't good. Breaking tees can happen sometimes, but if it happens a lot of times, then you'll have to tweak your golf swing. Having a wider stance and tilting your spine away from the target is 2 better ways of avoiding broken tees.

Click here to watch a short video on how to stop breaking tees.

Source: GOLF.com; RealFeelGolfMats