Sweet violet is an herb. The root and parts that grow above the ground are used to make medicine.Sweet violet is used for nervous strain, hysteria, physical and mental exhaustion, symptoms of menopause (hot flashes), depression, and irritability Gul e Banafsha Sweet Violet Benefits.It is also used for digestive tract complaints such as abdominal pain, swelling (inflammation) of the stomach and intestines and the tissues that line them, digestion problems caused by improper diet, gas, heartburn, gallbladder disorders, and loss of appetite.