The invention provides a traditional Chinese medicine composition for relieving cough and reducing sputum and a preparation method thereof. The traditional Chinese medicine composition is mainly prepared from bulbus fritillariae cirrhosae, lute leaves, radix bupleuri, wild chrysanthemum, ludwigia octovalvis, flavedo, platycodon grandiflorum, radix paeoniae alba, liquorice, fresh gingers, red dates, radix puerariae, semen coicis, almonds, mangnolia officinalis, mints and ephedra. The traditional Chinese medicine composition has the beneficial effects that under the guidance of traditional Chinese medicine theories and practical experience, aiming at the pathology and etiology of productive cough, all raw materials and proportions are selected, a formula is reasonably matched, the cough can be basically treated, the treatment effect is obvious, the course of treatment is short, the product is green and environmentally friendly, the sweetness is moderate, no bitter exists, the product is easy to eat, the lung moistening effect is good, the antibacterial effect is good, a good inhibiting effect on gram-negative bacteria is achieved in especial, additionally, a spleen tonifying effect is achieved, and the source of the sputum can be basically eliminated, so that viscous ingredients in the sputum are cracked, the sputum viscosity descends, the sputum is easy to cough up, and no side effect is generated on other organs of a human body.