Animals like plants are also medicinal agents for the prevention and cure of different health problems all over the world practically in about all human cultures. The concept of zootherapy is very old and has strong evidence of the medicinal use of animal resources. Different animals their body parts and preparations are used in folk medicines. Zootherapy reveals that medical practitioners have always considered animals as a source of surprising and numerous therapeutic effects. A high diversity of animals, their parts and derivative products are used and this is a heritage that could constitute a fundamental step for the discovery and isolation of natural extracts and new and low-cost alternative drugs from animals. About 12% of people in the world are affected by different types of urolithiasis and the recurrence rate in female is 47-60% and in male is 70-80%. According to WHO 75% population rely on traditional medicines for the prevention and cure of different diseases. Hence there is a need to concentrate on all folk natural products effective in urolithiasis for their pharmacological evaluation, isolation of single drug molecule responsible for anti-urolithiatic activity to developed suitable formulations used against urolithiasis.

Vigna trilobata (L.) VERDC. belongs to family Papilionaceae found throughout the tropical and warm temperate regions of the world. In folk medicine, it is used in arthritis, fever, cough, dysentery and urinogenital disorders. Different secondary metabolites such as alkaloids, glycosides, terpenoids, flavonoids have been reported in Vigna trilobata. Antioxidant, antidiabetic, anti-inflammatory activities have been shown by Vigna trilobata.

Vigna radiata (L.) R. Wilczek commonly known as Mung bean is one of the most important pulse crops, grown from tropical to subtropical areas around the world. Mung bean is reported to help in preventing the loss of nails and hairs, and also reduces the risk of hypercholesterolemia, coronary heart disease and decreases the absorption of toxic substances. Flavonoids and phenols are reported from this plant. Antioxidant, antidiabetic and hypocholestrolemic activities are also shown by Vigna radiata.

Bauhinia racemosa Lam. is a tall sized tree growing throughout Srilanka, China, India and Pakistan. Various parts of the plant have great medicinal potential in folklore medicine and used in diarrhoea, fever, skin diseases, cough, malaria etc. Analgesic, anti-inflammatory, antipyretic, antispasmodic, antiulcer, cytotoxicity and hypotensive activities of Bauhinia racemosa have been reported. Different parts of this plant contain β-amyrin, β-sitosterol, kaempferol, quercetin, scopoletin, scopolin and tannins.