The double blind method in particle physics, particularly at the Large Hadron Collider (LHC), involves blinding data from scientists during analysis to prevent bias. Scientists do not access the interesting parts of the data until their analysis methods are established. This approach ensures that preconceived notions do not influence the selection of data for study. The specifics of blinding can vary based on the analysis being conducted. Ultimately, this method enhances the integrity of scientific findings in particle physics.