The invention provides a throat-clearing and lung-moistening food for smokers. The throat-clearing and lung-moistening food is prepared from tea leaves, radix platycodonis, pericarpium citri reticulatae, radix puerariae, dried radix notoginseng stalks and leaves and bamboo leaf flavone. A preparation method of the throat-clearing and lung-moistening food comprises the following steps: a, extracting the tea leaves, the radix platycodonis, the pericarpium citri reticulatae, the radix puerariae and the dried radix notoginseng stalks and leaves with water; cooling an extracting solution; carryingout centrifugal treatment and filtering; b, taking filtrate and adding the bamboo leaf flavone; adding auxiliary materials and an additive according to a conventional method to prepare a product. Thethroat-clearing and lung-moistening food provided by the invention has remarkable anti-inflammatory effect and anti-oxidization effect; the anti-inflammatory and anti-oxidization capabilities of organisms can be enhanced; the throat-clearing and lung-moistening food has a helping effect on throat discomfort, respiratory system dysfunction or hypofunction of the long-term smokers; the throat-clearing and lung-moistening food has a very good effect of preventing chronic diseases of a respiratory system and diseases of a whole body from occurring. The throat-clearing and lung-moistening food canbe prepared into products including various beverages, tablet candies, gum-based candies, hard candies, solid beverages and the like. The throat-clearing and lung-moistening food has the advantages ofreasonable prescription, strong pertinence, remarkable effect, low cost, diversified product forms and simplicity and feasibility in processing; the throat-clearing and lung-moistening food is especially suitable for the smokers.