In my org there are tons of users. When i want to see my debug logs, i see thousands of debug logs which is not relevant for me, what should i do to check only of mine logs?
Yes you can see only your debug log. For this, you have to set your debug log in debug log
For more details you can read here : https://help.salesforce.com/articleView?id=code_add_users_debug_log.htm&type=5