no. Fish maw, also called fish gelatin, white swim bladder, flower gelatin and swim bladder, is mainly produced in coastal areas of China and Nanyang Islands. It is the swim bladder of fish, which is made by cutting and drying. It belongs to one of the four major seafood, and was listed as one of the "Eight Treasures" in modern times. Fish maw has high nutritional value, and is rich in protein and fat. The main nutritional components are viscous colloid high-grade protein and polysaccharide. According to the determination, every 1 grams of dried fish belly contains 84.4 protein, .2 grams of fat, 5 milligrams of calcium, 29 milligrams of phosphorus and 2.6 milligrams of iron. Can be used for treating furuncle, swelling and pain, nameless swelling, skin rupture and malignant tumor; Low back pain, rheumatic low back pain, gastropathy, tuberculosis, whooping cough, hematemesis, aplastic anemia, impotence, tracheitis, postpartum hemorrhage and abdominal pain. It has good curative effect on kidney calculi, gastric and duodenal ulcer, rheumatic heart disease, gynecological pedicle and irregular menstruation. Fish fat can also be used as a shell and adhesive for rubber pills. High viscosity gelatin or yellow croaker glue made from fish fat is as high as 95%. Fish maw has a high therapeutic effect and is rich in protein, colloid, phosphorus and calcium, which is regarded as a beauty treasure by ladies. It has the ability to tonify all parts of the body, and it is a precious good product to tonify without dryness.