Sweet, bitter and very cold
Lung and kidney
1. To clear the lungs and descend fire; 2. To nourish the yin and moisten dryness
1. Flaring up of fire caused by deficient yin of the lungs and kidneys manifested as scanty and sticky sputum or cough with bloody sputum. Asparagus root (Tian Men Dong) is used with Ophiopogon root (Maidong) in the formula Erdong Gao. 2. Consumption of yin and qi by febrile disease manifested as thirst, shortness of breath of diabetes. Asparagus root (Tianmendong) is used with Fresh rehmannia root (Sheng Di Huang) and Ginseng (Ren Shen) in the formula Sancai Tang. 3. Constipation due to dryness in the intestines. Asparagus root (Tianmendong) is used with Chinese angelica root (Dang Gui) and Cistanche (Rou Cong Rong).
The herb is contraindicated in cases with deficiency and cold in the spleen and stomach, poor appetite of Diarrhea.