Welcome to army.ca.
Before you start, please read all of the Forum guidelines.
It is also suggested you read some of the forums first, you can usually find what your looking for. The Recruiting Forum would be a good place to start.
If you can't find something that way, we encourage you to use the "Search" function. It works very well. Did I say we encourage it's use, before asking questions?
Lastly, if you do need to ask a question, try fleshing it out a bit as to what your asking, for and why. A bad example question is like the one you just asked. We have no idea what you want. A better one would be something like:
I would like to join the Regular (or Reserve) Forces. What will the impact of a criminal record be on me and the recruiting process. My record is for ________ that I was convicted of X years ago and received XX as punishment.