In general, Throat and throat clear oral solution does not treat hoarseness of the throat. Laryngopharyngeal Clear Oral Liquid is a commonly used medication in otorhinolaryngology, which has the effect of relieving pharyngeal pain, clearing heat and removing toxins, and is mainly used for treating fever, thirst, constipation, pharyngeal swelling and pain caused by solid heat in the lungs and stomach, as well as acute pharyngitis and tonsillitis seen in the above mentioned diseases. From the efficacy and action of the drug, it can be seen that Laryngopharyngeal Clear Oral Liquid does not have much effect on hoarseness of the throat. Throat and pharynx clear oral solution by (clearing heat and detoxification) plantain, (clearing heat and relieving pain) Tian Ming Jing, (diarrhea and detoxification) Tu Niu Knee, (detoxification and clearing heat) Malan Grass, the side effects of this drug is unclear, pregnant women are prohibited from using the drug, and can not be used with nourishing traditional Chinese medicine, and the use of medication should be avoided during the food, spicy and oily food. There are many reasons for hoarseness of the throat, different causes, medication may also be different, patients should not blindly take medication, need to be a professional Chinese medicine practitioner to identify and treat.