1. Master the correct and appropriate vocal methods.

Usually speak in moderation and avoid excessive use of your voice, such as shouting loudly and talking for a long time. Try to limit other talking times.

2. Avoid or eat less irritating food.

Pay attention to your diet and avoid or eat less irritating foods, such as spicy foods, roasted seeds and nuts, grilled foods, and foods that are too sour, too salty, and too sweet.

3. Live a regular life and combine work with rest.

Pay attention to a regular and reasonable life, combine work with rest, avoid fatigue, and ensure adequate sleep.

4. Avoid catching colds and colds.

Pay attention to climate changes and add or remove clothes appropriately. Pay attention to keeping warm in winter and wear a scarf when going out; pay attention to heatstroke in summer and do not stay under electric fans or air conditioners for long periods of time.

5. Exercise more.

Strengthen physical exercise, improve the body's immunity, expand lung capacity, and enhance the mobility of vocal organs.

Reference material? People’s Daily Online – Eight Tips to Protect Your Throat