Kuding tea helps to improve the body's immunity and antioxidant capacity, and can also provide certain anti-inflammatory effects and lower blood lipids. However, excessive drinking of Kuding tea will cause harm to the body, mainly in the following aspects:

1. Digestive system irritation: Kuding tea contains caffeine and other ingredients. Excessive drinking of Kuding tea will irritate the digestive tract and cause gastric irritation. Intestinal discomfort, even causing symptoms such as stomach pain and diarrhea.

2. Nervous system excitement: The content of caffeine in Kuding tea is high. Excessive drinking will stimulate the central nervous system and cause uncomfortable symptoms such as heart palpitations, dizziness, and insomnia.

3. Excessive water intake: Kuding tea has a diuretic effect. Excessive drinking can easily lead to excessive water intake, causing thirst, polyuria and other problems. In severe cases, it may lead to water intoxication.

4. Drug interactions: The ingredients in Kuding tea may interact with other drugs, affecting the efficacy of the drugs.

Therefore, it is recommended to drink Kuding tea in moderation, generally no more than three cups a day, and it should not be consumed on an empty stomach. People with digestive system, heart, nervous system and other diseases should drink with caution or follow medical advice.