1, caffeine and theophylline in Jinjunmei tea have diuretic effects and are used to treat edema and stagnant tumor. Acute icteric hepatitis can be treated by detoxification and diuresis of black tea syrup.

2. A small amount of caffeine contained in Jin Junmei has the effects of strengthening the heart, relieving spasm and relaxing smooth muscle, which can relieve bronchospasm and promote blood circulation. It is a good auxiliary drug for treating bronchial asthma, relieving cough and resolving phlegm and myocardial infarction.

3. Tea polyphenols and vitamin C in Jinjunmei tea have the effects of promoting blood circulation and removing blood stasis to prevent arteriosclerosis. People who drink tea regularly have a lower incidence of hypertension and coronary heart disease.

4, Jin Junmei black tea is warm, not suitable for people with excessive internal heat.

5. Drinking Jin Junmei black tea for a long time will make the stomach cold, and the stomach will no longer be as strong as before. Sometimes the kidney will be cold and painful. In addition, it will cause palpitations and slow down the body's absorption rate of calcium.

6, Jin Junmei black tea is not suitable for cold drinking, it will affect the effect of warming the stomach, and the warm stomach will become a cold stomach. Leaving it for too long can also reduce the nutritional content.