Sedgewigia seeds generally refer to Sedgewigia, which is effective in benefiting qi, strengthening the spleen, tonifying the kidney and tranquilizing the mind, and is used to treat spleen and lung qi deficiency and body weakness. It is pungent, slightly bitter, warm in nature, and belongs to the kidney, spleen and heart meridians. It has the effects of benefiting qi and strengthening the spleen (regulating the qi of the spleen and stomach), tonifying the kidneys and tranquilizing the mind and is used for treating deficiency of the spleen and lungs, weakness and fatigue of the body, deficiency of both the lungs and kidneys, loss of appetite, deficiency of the kidneys with lumbar and knee aches and pains, prolonged coughing with deficiency of wheezing, insufficiency of the heart and the spleen, and insomnia. It can be used in combination with other herbs to treat different diseases, such as with Radix et Rhizoma Ginseng to treat tiredness and fatigue due to deficiency of lung and spleen qi, loss of appetite, etc.; and with Cortex Eucommia Ulmoides to treat soreness and pain in waist and knees due to deficiency of kidney yang (lack of yang in the kidneys) and loss of warmth in the tendons and bones. People with Yin deficiency and fire exuberance (deficiency of Yin essence in the body and hyperactivity of deficiency fire) should be cautious of taking Sophora vulgaris. Before using Sophora vulgaris, it should be used under the guidance of a professional doctor after diagnosis and treatment to avoid adverse reactions.