Not counting sitcoms and series, the longest domestic fashion TV series is Love Has a Will, with 84 episodes; the longest costume TV series is Romance of the Three Kingdoms, with 95 episodes.
No matter the ancient fashion in overseas areas, it is Taiwan. The longest fashion TV series, FTV's "Feng Shui Family", has filmed 413 episodes so far, each episode is 120 minutes, equivalent to A mainland fashion TV series with 1,200 episodes; the longest period TV series, TTV's "The Secret of Liu Bowen", has 402 episodes, each episode is about 90 minutes, which is equivalent to an 800-episode mainland period TV series.