Kaiyin Pill is a refined and extracted Chinese patent preparation with the appearance of black-brown honey pills with a sweet and fragrant taste. Its main active ingredients are honeysuckle, forsythia, xuan ginseng, panax ginseng, red peony, scutellaria, mulberry leaf, chrysanthemum, anterior hu, bitter almond, burdock, zedoary, fat sea, cicada molasses, etc. Its clinical efficacy is to clear heat and detoxify the toxin, dredge the wind and promote pharynx, mainly used for acute and chronic pharyngitis caused by sore throat, hoarseness and other symptoms. Avoid spicy, fishy and other stimuli during the medication, and should not be taken at the same time other warming Chinese medicine.