Here are some common methods:

1. Use smart photo album application: Smart photo album application can automatically organize photos and videos according to shooting date, location, person identification and other information. For example, Google Photos, Microsoft OneDrive, Apple Photos, etc. all provide such functions.

2. Use third-party applications: There are many third-party applications that can help you organize photos and videos in your mobile phone album automatically. For example, PhotoSync and Photo Manager Pro are all very popular choices.

3. organize manually: if you don't want to use any application, you can also organize photos and videos manually. You can divide them into different folders or albums and name them with descriptive names to find them more easily.

no matter which method you choose, you need to ensure that all important photos and videos are backed up to prevent data loss.