Danshen and Poria have the effects of nourishing the blood, invigorating the blood, invigorating the spleen and inducing dampness. Danshen and Poria are common Chinese medicines in clinical practice and are often used in combination. Salvia miltiorrhiza is bitter and slightly cold in nature, and belongs to the heart and liver meridians. It has the effects of activating blood circulation, removing blood stasis, clearing menstruation and relieving pain, clearing the heart and removing vexation (removing vexation and heat in the heart), cooling the blood and eliminating carbuncles (eliminating carbuncles and swellings by cooling the blood). It is often used for dysmenorrhea, irregular menstruation, chest palsy (stuffy pain in the chest) and heart pain. It is also used to nourish the Blood and calm the mind (stabilizing the mind and soothing the emotions by nourishing the Blood). It should not be used in conjunction with Veratrum. Poria, flat in nature, sweet and bland in taste, belonging to the heart, lung, spleen and kidney meridians, has the effects of strengthening the spleen and stopping diarrhea, inducing diuresis and eliminating edema (to pass urine and eliminate water retention), and tranquilizing the mind and tranquilizing the spirit. It is used for oedema and low urine output, phlegm-drinking and vertigo-palpitations (vertigo and palpitations caused by phlegm-drinking and evil qi upward), deficiency of the spleen with low food intake, diarrhea, restlessness of the heart and mind, palpitations and insomnia. Caution should be exercised in cases of yin deficiency without dampness-heat, deficiency of cold and slippery semen, and deficiency of qi and subsidence. Dan Shen and Poria are used in combination to nourish Blood, invigorate Blood, invigorate the spleen and promote dampness, with the effect of promoting Blood circulation and inducing diuresis. If medication is needed, it should be reasonably applied under the guidance of a physician.