1. Provide energy: Sports drinks usually contain energy supplements such as glucose, sucrose and fructose, which can provide athletes with extra energy and help them maintain endurance and strength in high-intensity sports.

2. Replenish water and electrolytes: Sports drinks contain electrolytes, such as sodium, potassium, magnesium, calcium, etc., which help to balance the imbalance between water and minerals in the body and help athletes maintain the balance between water and energy.

3. Improve sports performance: The energy and electrolyte in sports drinks can improve athletes' performance, delay fatigue and help athletes train and compete more effectively.

Disadvantages:

1. High sugar content: Some sports drinks contain a lot of sugar, and excessive drinking may lead to health problems such as obesity and diabetes.

2. Related to oral health: Excessive consumption of sports drinks may have a negative impact on oral health, such as tooth decay and gum disease, because it contains a lot of sugar and acidic substances.

3. It may lead to imbalance: Excessive drinking of sports drinks may lead to imbalance of water and electrolyte in the body, which may lead to health problems such as nausea, headache and diarrhea.

Generally speaking, moderate consumption of sports drinks can provide athletes and fitness enthusiasts with extra energy and water, and help them perform better in training and competition. However, excessive consumption of sports drinks may have a negative impact on health, and it is recommended to use it with caution.