The phenomenon of cold throat pain when swallowing saliva indicates the occurrence of more serious pharyngitis. When laryngitis occurs, there will be obvious congestion and edema along with inflammation, and there will be redness, swelling, heat and pain along with inflammation, so there will be the symptom of pain when swallowing saliva. It is possible to have viral infections or bacterial infections, and it is best to check the routine blood tests. If there are elevated white blood cells or neutrophils in the routine blood test, it means that the pharyngitis is caused by bacterial infection, and antibiotics can be used for anti-inflammatory treatment, which is more effective, for example, penicillin antibiotics can be used. If there is no usual allergy, you can take oral amoxicillin or amoxicillin clavulanate potassium. If there is no elevation of white blood cells or neutrophils, viral infections are more common, and a better effect for laryngitis is Pu Di Lan Anti-inflammatory Oral Liquid or Blue Baicalin Oral Liquid.