Roselle has many functions, such as clearing away heat and quenching thirst, helping digestion, promoting diuresis and eliminating edema, nourishing blood and promoting blood circulation, caring skin and eliminating hangover. Recently, researchers have found that drinking Roselle scented tea regularly can help reduce the total cholesterol and triglycerides in human blood, achieve the effect of preventing and treating cardiovascular diseases, and also play a role in losing weight. Drinking rose eggplant in summer can also clear away heat and relieve summer heat.