The custom ofascending a height to avoid epidemics was passed down from long time ago.Therefore, the Double Ninth Festival is also called "Height AscendingFestival". The height people will reach is usually a mountain or a tower.Ancient literary figures have left many poems depicting the activity. Eventoday, people still swarm to famous or little known places. Ancient literary figures have left many poems depicting the activity. Eventoday, people still swarm to famous or little known mountains on this day.

On this day, people will eat Double Ninth Gao (or Cake). In Chinese, gao (cake) has the samepronunciation with gao (height). People do so just to hope progress ineverything they are engaged in. There is no fixed ways for the Double NinthCake, but super cakes will have as many as nine layers, looking like a tower. There is no fixed ways for the Double NinthCake, but super cakes will have as many as nine layers, looking like a tower.