Bittersweet fruit scientific name Tianjia also known as Tianshan Peak, is a perennial plant of the genus Solanum in the family of Solanaceae, its roots and leaves and flowers and fruits are used in medicine. With antispasmodic and analgesic, efficient antibacterial effect, but also a strong adrenocorticotropic hormone and immunosuppressant, radiation therapy also has a certain efficacy. Folk commonly used in the treatment of the following diseases: First, upper respiratory tract diseases. Such as: colds and fever, cough and phlegm, bronchitis, asthma, respiratory secretions increase due to dyspnea, rhinitis and other diseases. Second, the upper gastrointestinal tract diseases. Such as: esophageal spasm, reflux esophagitis, gastritis, stomach pain, ulcers, stomach cramps, can make the gastric mucosa fast repair. Lower gastrointestinal diseases. Such as: intestinal spasm, allergic diarrhea, abdominal masses, lymph node swelling, enteritis, radiation enteritis and other diseases.