Sore throat after cold can take Blue Scutellaria Oral Liquid, Qingkailing Oral Liquid, Compound Fishy Herb Oral Liquid, Lianhua Qingfei Granules, all of which have the effect of clearing heat and detoxifying toxins, and have good therapeutic effect for sore throat after cold, dry mouth and bitter mouth, and for sore throat caused by wind-heat cold. If the sore throat is accompanied by fever, it is recommended to improve the blood routine and C-reactive protein, and if it suggests bacterial infection, take oral cephalosporin or macrolide antibiotics for anti-infection treatment; if the sore throat and there is phlegm in the throat, take oral mucolytics, such as aminoglutethimide tablets, acetylcysteine granules, carboxymethylstilbestrol tablets to dilute the phlegm and promote the discharge of phlegm. You can also drink water with Luo Han Guo after a sore throat after a cold, or make water with Fat Sea, both of which can clear heat and detoxify the body and relieve sore throat.