Drying the whole cut Eupatorium adenophorum in the shade or in the sun, and cutting into sections for later use; Dry the cut fruit sequence in the shade or in the sun, thresh it, remove impurities, and put it into a cloth bag. Although the storage process from fresh to semi-dry has little effect on the oil yield, the processing rate after drying is reduced due to the volatilization of some essential oils, and the vanilla harvest period is short, and it is in hot and rainy summer and autumn, which is only suitable for short-term storage and timely processing.