At present, the most recognized theory about elementary particles is the standard theory. It was established about 30 years ago, and all discovered elementary particles can be explained according to this theory. For more than 100 years, protons, neutrons, electrons and other elementary particles have been discovered one after another. In the face of these achievements, some people believe that the elementary particles in the universe have been discovered almost, and even if there are, they can be explained by existing theories, 
Some scientists have put forward a new theory that subverts people's previous understanding of elementary particles.
 it will not bring too much surprise to people.