You can drink food with the effect of clearing heat and detoxifying, clearing throat and moistening throat, resolving phlegm and relieving cough, nourishing Yin and moistening lung, and you can drink tea, such as mint tea, fat sea tea, honeysuckle tea, chrysanthemum tea, rooibos flower tea or jasmine tea, also mint mulberry tea, golden voice herbal tea, etc. You can also drink sorbet or rock sugar boiled sorbet water, and you can also drink fat sea and licorice type of bubble tea, which all help to protect This can help protect your voice. You should eat a light diet, avoid spicy, stimulating, greasy and fried foods, quit smoking and drinking, and eat more fresh vegetables and fruits to help protect your voice.