There were disciples from the Celestial Sect of Wonders' younger generation scurrying about inside Mount Yujing's Medicine Valley. Yang Qing and the Nirvana World were supposed to be in charge of this place, but Yang Qing left the mountain frequently after the Anti-Celestial Sect War and his disciple, Zhou Yuncong, wasn't that good with herbs and medicine and the art of forging pills. When Yang Qing wasn't on the mountain, the Medicine Valley normally fell under Zhu Yi's command and the Heavenly Temple's younger disciples who were old enough were the ones taking care of the place most of the time.
The Heavenly Temple's disciples would report to Yang Qing anything regarding the Medicine Valley when he returned, and it would still be Yang Qing's responsibility.