The invention belongs to the technical field of application of traditional Chinese residual wastes and relates to novel application method of the traditional Chinese residual wastes with an aim to cultivate specific functional crops and enable the produced and cultivated crops to feature in easing and suppressing vomiting. The method includes that ginger leftovers and pinellia leftovers are evenly mixed to produce the traditional Chinese residual wastes which are subjected to soaking, decocting and filtering for two times to obtain evenly-mixed filter liquid for standby, and traditional Chinese medicine residues are collected to be dried and made into traditional Chinese medicine leftover cakes for standby; crop seeds are soaked in the diluted filter liquid prior to being sown and irrigated and managed according to a conventional technique, the crushed traditional Chinese medicine leftover cakes are applied to the crops respectively at the growing phase, the flowering phase and/or fruiting phase according to requirements of the crops on different growth periods, and the crops with the vomiting prevention effect can be harvested at the mature phase. The method is convenient to operate, raw materials are easy to obtain, and the obtained crops are natural and green, free of side effects and remarkable in treatment.