When dealing with the problem of neighbors taking express delivery by mistake, protecting the privacy of others and complying with the law are the primary principles. The following are the specific recommended steps： ### 1. **Give priority to direct communication** -**Door-to-door inquiry**: If the address on the courier is indeed the neighbor's, you can directly knock on the door and explain the situation politely (such as “Hello, I may have taken your courier by mistake, I want to confirm whether it is convenient to return it”). Avoid mentioning personal information on the packaging to avoid raising privacy concerns. -**Leave a note**: If the neighbor is not at home, you can leave a short anonymous note at the door (such as “Your courier may be with me, please contact me”) and attach your own contact information. There is no need to disclose the other party's information. ### 2. **Avoid using or recording personal information** -**Do not save or disseminate information**: Even if the information is visible, you should avoid recording, taking pictures or forwarding other people's names, phone numbers, addresses and other private content. Unauthorized use of this information may violate the "Personal Information Protection Law" and other regulations. -**Make calls carefully**: If not necessary, do not directly call the phone number on the courier. Even if you dialed, you should briefly explain the situation and delete the number immediately. ### 3. **Contact the courier company for assistance** -**Resolved through official channels**: Contact the customer service of the courier company and provide the waybill number to indicate that the package may have been delivered by mistake. It is the responsibility of the courier to verify and coordinate the return to avoid your direct involvement in privacy issues. ### 4. **Legal and ethical considerations** -**Privacy protection takes priority**: Even if it is out of good faith, unauthorized use of other people's information may still constitute infringement. Respect for privacy is not only a legal requirement, but also the basis of neighborhood trust. -**Handling of special circumstances**: If valuables are involved or neighbors cannot be contacted for a long time, you can seek the assistance of property or community staff to avoid processing information by yourself. ### Summary Solving problems through direct communication or third parties (courier companies, properties) can not only efficiently deal with mis-delivery of express delivery, but also maximize the protection of the privacy of others. Do not touch the red line of the law because of “good intentions”. Maintaining harmonious neighborhood relations requires understanding and respect from both parties.