The invention discloses a throat-clearing pharynx-moistening composition, which is prepared by mixing the following components: haematococcus pluvialis astaxanthin microcapsule powder or water-solublehaematococcus pluvialis sporoderm-broken spore powder, a fructus momordicae extract, a flos lonicerae extract, a flos chrysanthemi extract, a radix scutellariae extract, a radix platycodon extract, aherba rabdosiae extract, a semen sterculiae lychnophorae extract, a fructus canarli extract, xanthan gum, locust bean gum, an edible essence and a preservative. The throat-clearing pharynx-moisteningcomposition provided by the invention has the efficacies of resisting oxidation, resisting bacteria, resisting virus, diminishing inflammation, relieving cough and eliminating phlegm, can be beneficial to improving macrophage phagocytosis and neutrophil sterilizing power, improving lysozyme activity and enhancing organism immunity, is natural without toxic and side effects, can be taken for a long term so as to achieve the effects of curing or preventing pharyngitis, and is simple in components and suitable for mass production.