The invention discloses a processing method for platycodon grandiflorum composite health care drink, and belongs to the drink processing field. The processing method is characterized in that processing technology flows of raw material processing, health care, cooling, filtering, blending, homogenizing, sterilization, loading and finished product are employed. The beneficial effects are that the product is clear and transparent, tastes fine, tender, fresh, sweet and palatable, and has unique delicate fragrance of platycodon grandiflorum. The product is helpful for raising the organism immunity function, has abundant nutrients, has functions of releasing lung qi, eliminating phlegm and expelling purulence, is suitable for patients with diseases of cough, excessive phlegm, oppression in the chest, sore throat, hoarse voice, pulmonary abscess, swelling, ulcer and the like, and is a low-heat and low-fat health care drink integrated with nutrition and health care values.