Meqin Saigao was a common joke in " A Science's Super Electromagnetic Gun ", which meant " Meqin won " or " Meqin won ". In this novel, Mei Qin was a female character with the ability of a super electromagnetic cannon. Her ability could shoot out powerful electromagnetic pulses that could cause great damage to the enemy. In battle, Mei Qin often used her super electromagnetic cannon to defeat her opponents, so "Mei Qin is better than her" became a common slogan in the novel.