How to write letters to people in prison?

First, you have to go to the post office to buy postcards, and then you can send them to the prison. Just write your words directly on the postcard. Usually, if you send it to prison by ordinary envelope, it is likely to be rejected. You need to know which brigade and regiment he is before you can send him a letter. Your family will call back to tell you about it.

You can't just go in there. They will check whether the content is positive and whether there are sensitive words. If there is sensitive content, then they will detain the letter.

Secondly, our content should be positive. Explain the main things clearly from the beginning. Secondly, let him repent seriously inside, and his family is waiting for you outside. Language should be euphemistic, not irritating.