Composition with effects of clearing lung, eliminating phlegm and relieving coughs and preparation method thereof

[0054] Example 1: Preparation of drug extract

[0055] 1. Prescription

[0056] Scutellaria 960g, Trichosanthes 480g, Zhejiang Fritillaria 240g, Citrus aurantium (fried with bran removed) 240g, Platycodon grandiflora 240g, Mulberry bark (honey roasted) 240g, Rhubarb 120g, Anemarrhena 120g, Ophiopogon japonicus 120g, Orange red 120g, Bitter Almonds (peeled and fried) 120g, Peucedanum 120g, Stemona 120g, Licorice 30g

[0057] Second, the manufacturing method

[0058] a. Weigh each raw material according to the raw material ratio and set aside;

[0059] b. Extract all medicines with water twice, each time adding 10 times the amount of water, and extract for 2 hours. The extracts are combined and concentrated under reduced pressure to obtain concentrated solution A with a concentration of 1.20;

[0060] c. Add ethanol to the concentrated solution A and mix evenly until the ethanol concentration of the supernatant is 50%, let it stand for 12 hours, and absorb the supernatant to obtain the super

[0064] Example 2: Preparation of drug extract

[0065] 1. Prescription

[0066] Scutellaria 960g, Trichosanthes 480g, Fritillaria citrifolia 240g, Citrus aurantium (fried with bran) 240g, Platycodon grandiflorum 240g, Mulberry bark (honey roasted) 240g, Rhubarb 120g, Anemarrhena 120g, Ophiopogon japonicus 120g, Orange red 120g, Bitter Almonds (peeled and fried) 120g, Peucedanum 120g, Stemona 120g, Licorice 30g

[0067] Second, the manufacturing method

[0068] a. Weigh each raw material according to the raw material ratio and set aside;

[0069] b. Extract all the medicines twice with water, add 10 times the amount of water for the first time, and extract for 2 hours, add 8 times the amount of water for the second time, and extract for 1.5 hours. The extracts are combined and concentrated under reduced pressure to obtain concentrated solution A with a concentration of 1.18;

[0070] c. Add ethanol to the concentrated solution A and mix evenly until the ethanol concentration of the supernat

[0074] Example 3: Preparation of tablets

[0075] Take 525 g of the drug extract obtained in Example 1, add 40 g of lactose, 40 g of microcrystalline cellulose, 40 g of cross-linked polyvinyl pyrrolidone, 5 g of micronized silica gel, mix them uniformly, make granules and press to obtain tablets, each weighing 0.35 g .