Triazoles are 5-membered rings, which possess three nitrogen and two carbon atoms. This book reports for the different synthetic profiles and their biological activities like Analgesic, Anticonvulsant, Antidepressant, Antifungal, Anti-inflammatory, Antioxidant, Antipsychotic, Cell growth inhibitors, Insecticidal, Antiviral, Antimalarial and Antituberculosis.The triazoles have been suggested for their wide scope in future drug research and also in various other fields of science as well.