The horsetail plant has anti-inflammatory, antimicrobial, hemostatic, diuretic, wound healing, General tonic and astringent actions. Horsetail preparations help with heart failure, improve water-salt metabolism. Horsetail herbal preparations are prescribed as a diuretic for congestive phenomena of cardiac origin (heart defects, heart failure), as well as edema associated with pulmonary heart failure. In these cases, urination in patients increases significantly, even when taking only one drugs horsetail. As a remineralizing agent, decoctions and infusions of horsetail are prescribed to elderly people. In connection with the presence of silicon compounds in the herb horsetail is used for atherosclerosis of vessels of heart and brain, inflammatory diseases of the kidneys and urinary tract, urolithiasis, lesions of the capillary vessels, and also at a tuberculosis of lungs and skin in the course of their chemotherapy. Given the hemostatic properties of marsh horsetail and its ability to accelerate the excretion of lead from the body, horsetail preparations are prescribed for hemorrhoidal and uterine bleeding, acute and chronic lead poisoning.
In folk medicine, infusion and decoction of herbs used as a diuretic, in women's diseases and as a wound healing. In Tibetan medicine-with atherosclerosis, as a diuretic and anthelmintic. In the past, the plant was used for joint rheumatism and gout.