The invention discloses a mouthwash for mouth care. The mouthwash is composed of, by weight, 0.1-0.5% of poria cocos, 0.2-1.5% of subprostrate sophora, 0.1-0.6% of platycodon grandiflorum, 0.2-0.8% ofnotoginsenoside, 0.1-0.6% of phellodendron Chinese schneid bark, 0.2-0.8% of fructus aurantii, 0.2-1.1% of selfheal, 0.1-0.3% of jasmine flower, 0.2-0.6% of chrysanthemums, 0.1-0.5% of medlars, 0.2-0.8% of pomelo peel, 0.1-0.3% of fructus viticis, 0.1-0.3% of purple garlic, 0.1-0.3% of chive, 0.1-0.3% of fresh ginger, 12-35% of humectant, 0.8-2.5% of surfactant, 0.01-0.5% of sweetening agent, 0.5-1% of flavoring agent, 0.01-0.15% of antiseptic, 0.1-0.2% of sodium pyrophosphate, 0.05-0.15% of sodium fluoride and the balance deionized water. The mouthwash has the advantages of heat clearing, pain easing, antisepsis and anti-inflammation and can effectively inhibit bacteria growth in a mouth and prevent mouth diseases.