There is no evidence that Luo Han Guo may have any harmful effects on laryngitis, it is recommended to follow the doctor’s instructions for medication. Laryngitis belongs to the Chinese medicine “paralysis of the throat (pharyngeal redness, swelling and pain, or dryness, foreign body sensation, or throat itching discomfort, difficulty swallowing)” category, Luo Han Guo has clear heat and moistening the lungs (to remove the heat to moisturize the lungs), pharyngeal effect, is conducive to the relief of patients with laryngitis, sore throat and other discomfort. Luo Han Guo, sweet flavor, cool nature. It belongs to the lung and large intestine meridians. It has the effect of clearing heat and moisturizing the lungs, facilitating the pharynx and opening the voice, and lubricating the intestines and laxatives. Used for lung heat and dry cough, sore throat and loss of voice, intestinal dryness and constipation. It is prohibited for patients with deficiency of spleen and stomach (weak and cold spleen and stomach) and those who are allergic to Luo Han Guo. Allergic patients need to be cautious in taking Luo Han Guo.