Roses are sweet, bitter and warm. Has the effects of regulating qi, relieving depression, promoting blood circulation and removing blood stasis. Can be used for the treatment of liver and stomach gas pain, chronic wind arthralgia, hematemesis, hemoptysis, irregular menstruation, leucorrhea with red and white discharge, dysentery, and mastitis. "Continuation of Materia Medica" said: "Soothing the liver and benefiting the gallbladder, strengthening the spleen and reducing fire. Treat epigastric cold pain, cold accumulation in epigastric cavity, and break blood. " "Life Taste Diet Spectrum" says: "Regulating blood to relieve depression, removing filth, harmonizing liver and making wine can eliminate breast addiction." Modern research has confirmed that fresh roses contain about 0.5% of volatile oil (rose oil). 03%, mainly citronellol (up to 60%), _ Nile, nerol, eugenol, phenylethanol and so on. It also contains quercitrin, bitter substance, tannin, fatty oil and organic acid. Pharmacological experiments show that its flower decoction can relieve the toxicity of oral antimony, rose oil can promote bile secretion, and it is also used to treat dental caries, stomach diseases, eye diseases and some skin diseases.