The text message sent by the mobile phone, I threw away the card, can you still find it's me?

Can't find out. The calling card belongs to real-name registration system, and only the owner of the calling card can be found. Even after throwing away the card with the text message sent by your mobile phone, you can't find out that it was sent by your mobile phone. Making a phone call is a way of communication between people. People who are thousands or even tens of thousands of kilometers apart can contact each other by telephone (especially long-distance calls), which not only saves the fatigue of long-distance running, but also saves time and travel expenses, greatly improving work efficiency.