1. Improvement of mood: Master Kong Green Tea contains natural tea polyphenols and caffeine, which help to promote the body's metabolism, improve mood and mental state.

2. Health effects: Green tea contains a variety of nutrients, such as vitamin C, E, zinc, magnesium, etc., which helps to enhance immunity, prevent diseases and promote good health.

3. Eliminate fatigue: Caffeine can promote the excitation and metabolic activity of the nervous system, so it can eliminate fatigue and improve mental state.

4. Lowering blood sugar: polyphenols in green tea can inhibit the activity of amylolytic enzymes in the intestines, thus lowering blood sugar levels.

5. Prevent oral problems: green tea contains fluoride, which can prevent oral problems such as dental caries and yellowing of teeth.

Overall, moderate consumption of Kangshi green tea is good for the body. However, if it is consumed in excess, it may cause bad effects on the body, such as leading to insomnia, panic attacks and other problems. Therefore, it is recommended not to consume more than 3 cups of green tea per day.