American ginseng, wolfberry, astragalus in water has some alleviating effect on chest tightness, shortness of breath and dizziness caused by deficiency of qi and blood, but the effect is limited and generally cannot achieve therapeutic effect. 1. American ginseng: used for deficiency of qi and yin, deficiency of heat and tiredness, coughing, phlegm and blood, internal heat and thirst (internal heat accompanied by eating, drinking and urinating, etc.), dry mouth and throat. Should not be used with quinoa. 2. Lycium barbarum: nourishes the liver and kidney, benefits the essence and brightens the eyes (nourishes the essence and promotes the recovery of eyesight). It is used for deficiency, lumbar and knee pain, dizziness, tinnitus, impotence, spermatorrhea, internal heat and thirst, blood deficiency, yellowing, and dimming of the eyes. 3. Astragalus: strengthens the spleen and tonifies the middle, elevates yang and lifts the sun (elevates yang qi of the body to lift the sunken organs) and other effects. The main treatment of qi deficiency sweating (involuntary sweating during the day, a little movement sweating aggravated) evidence, qi and blood deficiency, sores and ulcers are difficult to ulcerate difficult to putrefy, or ulcers for a long time difficult to convergence, and so on. Surface solid evil, sores at the beginning of ulcers, or ulcers after the heat is still full of toxicity, should not be used. Note that tea can not replace drug treatment. If the symptoms of chest tightness, shortness of breath and dizziness, it is recommended to go to the regular hospital in time for treatment.