Legal analysis: Lawyers for overdue credit cards generally will not personally deliver a lawyer’s letter to your door, but this possibility is not ruled out.

Legal basis: Article 577 of the "People's Republic of China and Civil Code" If a party fails to perform its contractual obligations or the performance of its contractual obligations does not comply with the agreement, it shall be responsible for continuing the performance, taking remedial measures, or Liability for breach of contract such as compensation for losses.