Chronic laryngitis is often caused by excessive use of the voice, excessive speech, excessive consumption of tobacco and alcohol, excessive late nights, fatigue, and excessive stress, resulting in the loss of normal mucous membrane nourishment, dryness of the mucous membrane, capillary dilation, hypertrophy, and lymphatic follicular hyperplasia, causing dryness and itching in the throat. In this case, it is recommended to pay attention to rest, relax, and avoid staying up too late and straining. Diet should be light, eat more green vegetables, supplement vitamins, avoid spicy, greasy food stimulation, avoid a lot of smoking, drinking alcohol. At the same time, you can also take nourishing Yin and moistening, nourishing Yin and generating fluid type of Chinese medicine, Chinese patent medicine, such as compound double flower tablets, nourishing Yin and clearing lung particles and other drugs.