What's the difference between European patent and EU patent?

First, the EU appearance patent protects the appearance of products, and the scope of rights protection is the member States of the EU; European patents protect inventions, products or corresponding methods, including but not limited to EU member states. European patents can be protected in more than 30 countries at most. For the EU patent application, please refer to Litecarve Patent Special Issue: EU patent application 1, claim number limit 2, claim category should be 1, independent claim 3, invention singularity 4, reference number 5, general claim 6, claim function limit 7, claim clarity 8, and claim modification.