Does the law stipulate that names can be written in letters?

This is impossible, because we are from China. As a symbol, a name should have certain regional characteristics. I don't think China can use letters as a name or part of a name at present.

In addition, with the development of society, perhaps in the near future, the state will allow individuals to use letters in their names.

However, as a person's code, the name itself does not have much practical significance. As long as you can identify yourself, it doesn't really make much difference. But now network names are not very popular, and it is normal to bring letters. My name, lymvvv, is such a code name. What did you say?/Sorry? 1 10net？