According to the query mango TVapp. The reason why Brothers Who Pierce the Thorn needs a notary is to ensure the fairness and justice of the competition. Notaries will provide a series of written materials, such as procedures, drawing lots or voting schemes, for objective review to prevent unfair loopholes. When necessary, the notary will also make relevant legal suggestions. In addition, the notary will arrive at the scene before the start of the program to check the computer, voting equipment and other tools to ensure the normal use of these equipment in the program.