The main health-preserving function of Ophiopogon japonicus is embodied in three aspects: nourishing yin, nourishing body fluid, moistening lung and relieving cough, and clearing heat and removing annoyance.

Ophiopogon japonicus belongs to Liliaceae and contains many biochemical elements, such as Ophiopogon japonicus saponin, volatile oil and asparagine. It also contains monosaccharides, oligosaccharides and mucus. It has the effects of nourishing yin, promoting fluid production, moistening lung and relieving cough, and is especially suitable for body fluid, dry cough and palpitation caused by deficiency of lung and stomach yin. It is also an ideal substitute for tea or buccal tablets for diabetic patients.

First, nourishing yin and promoting fluid production is suitable for dry mouth, dry mouth, dry throat, dry stool and other symptoms caused by summer heat or dry heat.

1. Dry mouth. Ophiopogon japonicus can be mixed with Radix Adenophorae, Rhizoma Polygonati Odorati and Herba Dendrobii about 15g each, directly boiled with water or mixed with crystal sugar to make tea, or the above medicinal materials can be added with ribs or duck meat to make soup.

2. Dry stools. Ophiopogon japonicus, Radix Rehmanniae 15g, Radix Scrophulariae 15g, is a liquid-increasing soup and used as tea. Body fluid has the effect of moistening dryness and relaxing bowels, which is especially suitable for those with yin deficiency and dryness-heat.

Second, moisten the lungs and relieve cough. Suitable for dry cough with little phlegm, dry mouth and nose or dry lung and sore throat.

1. Dry cough. Ophiopogon japonicus can be matched with northern Sichuan and Sydney. Steam with water and add rock sugar, which has the effect of moistening lung, resolving phlegm and relieving cough.

2. Chronic pharyngitis. You can make tea with figwort 10g, Ophiopogon japonicus 10g, Platycodon grandiflorum 10g, and Glycyrrhiza uralensis 3g, which has the effects of nourishing yin, moistening lung, reducing fire and relieving sore throat. Suitable for people with sore throat, hoarseness and dry mouth.

Third, clear away heat and trouble. It is suitable for symptoms such as upset, insomnia, dreaminess and palpitation. Deficiency of heart yin and imbalance of heart fire.

1. Restless sleep. Ophiopogon japonicus (10g), bamboo leaves (6g) and Ziziphus jujuba seeds (10g) can be put into a filter bag, cooked with rice and taken before going to bed; It has the effects of nourishing heart yin, reducing heart fire, calming the heart and calming the nerves, and helping sleep.

2. Deficiency of both qi and yin. About 6 grams of American ginseng, Ophiopogon japonicus 15 grams, and 6 grams of Schisandra chinensis can be used as boiling water for making tea; Suitable for people who are tired, irritable, sweaty and thirsty.

According to the above suggestions on the curative effect and dietotherapy of Ophiopogon japonicus, people with suitable symptoms can choose health preservation.