1. Improve immunity: Apple is rich in antioxidants and vitamin C, which can enhance the function of the immune system. Tea polyphenols and catechins in tea also have antioxidant and anti-inflammatory effects, which are helpful to improve immunity.

2. Eliminate fatigue: Caffeine and amino acids in tea have a refreshing effect and help to eliminate fatigue. Fructose and glucose in apples can provide energy and help relieve physical fatigue.

3. Lowering blood pressure: Tea polyphenols and catechins in tea can dilate blood vessels and lower blood pressure. Pectin in apples can lower cholesterol and blood pressure.

4. Phlegm-dampness and phlegm-resolving: Pectin and fruit acid contained in apples can increase intestinal moisture, which helps to relieve constipation and phlegm-dampness and phlegm-resolving. Catechins in tea have antibacterial and anti-inflammatory effects, which are helpful to prevent and treat colds and other respiratory infections.

In a word, boiling apples and tea together can maximize its benefits and have many beneficial effects on health. However, it should be noted that the time for boiling tea should not be too long to preserve the nutrients in tea. At the same time, sugar intake also needs to be moderate, so as not to affect health.