Many friends like to surf the Internet, but for some of the Internet terminology is not a very good understanding, such as hemp chicken and muggle difference is what? Mackerel and Muggle is a different name for different places, the Americans call people who do not know magic as Mackerel, the British call people who do not know magic as Muggle, so there is no difference in essence, it is called differently. Muggles this call from the movie "Fantastic Beasts", the main character Jacob Kowalski is a typical muggle, and then in JK Rowling in the novel "Harry Potter" will not be magical ordinary people called muggles (Muggles), there is a kind of demeaning meaning exists.