(i) Lycopodium, Equisetum etc. are medicinal ferns. Homeopathic medicine is made from it.
(ii) Unani herbal medicines are prepared from ferns. These drugs are used in the treatment of ulcers, rheumatic fever, intestinal lesions etc.
(iii) Young stems of ferns are used as anthelmintics.
(iv) Marsilean obtained from Marsilea is used to treat neuralgia.
(v) Medicines for liver diseases are prepared from Selaginella botryoides.
(vi) Herba equisini medicine obtained from Equisetum arvense helps to treat blood purification and urinary tract diseases.
(vii) Medicine for gonorrhea is prepared from Equisetum debile.