Roses are fragrant and pleasant, which are both medicinal and edible plants. They have the functions of promoting blood circulation, removing blood stasis, regulating qi and relieving depression, expelling toxin and caring skin, and can be used to make tea. Gardenia is also a traditional Chinese medicine, which has the functions of clearing away heat and toxic materials, resolving phlegm and relieving cough, diuresis and detumescence. Their composition and efficacy do not conflict, and they can be soaked in water together.