Elastic Fiber (Elastic Fiber) is mainly distributed in the arterial wall, alveolar wall and skin of human body, it is yellow when fresh, with strong refractive property, the commonly used elastic fiber dyeing methods are Gomori aldehyde magenta method, resorcinol alkaline magenta method, lichen red method, Victoria blue method, ferric iron iodine hematoxylin method and so on, the resorcinol alkaline magenta dyeing solution is mainly used for the elastic fiber dyeing, which is also known as Weigert resin phenol red staining solution. Elastic fiber staining can show the changes of elastic fibers in skin tissues, such as elastic fiber nevus, skin ring granuloma, hardness disease, etc.; display and determination of endocardial and arterial lesions, observation of certain lesions is accompanied by elastic fibers of hyperplasia or destruction; but also identify tumor tissue components such as elastic fibrous tumors, elastic fibers stained by the elastic fibers, elastic fibers can be clearly seen inside the tumor ball.

Aldehyde magenta staining solution, also known as aldehyde red staining solution, can be used for elastic fiber staining, can also be used for other purposes.