Medicinal properties: Mustard Seed: spherical, diameter 1.5 ~ 2.5mm. Surface white to pale yellow, with a subtle textured, with a clear punctate hilum. Kind of thin and brittle, break open white folding rear inner cotyledon, oily. Odorless, taste bitter. Yellow mustard: the smaller diameter 1 ~ 2mm. Surface yellow to brown, and a few dark brown. Crush, add water soaked, the resulting specificity Xinlie odor. Harvesting and processing: late summer when the fruit is ripe tapping plants. Dried, lay the seeds, remove impurities. Tropism of taste: temperature; Xin; final lung Function: 1) To relieve dyspnea and cough by eliminating cold-phlegm; 2) To reduce nodulation, and to relieve pain by removing the obstruction of collaterals. Application: 1.Treating Parkinsons; 2.To relieve dyspnea and cough by eliminating cold-phlegm; 3.To reduce nodulation, and to relieve pain by removing the obstruction of collaterals.