X-rays are essentially electromagnetic waves of a frequency higher than ultraviolet light that cannot be identified by the human eye, also known as X-rays. the benefits of X-rays are as follows: 1, diagnosis of disease: X-rays have many benefits for the human body and are widely used in medicine, including X-rays, DR, CT, etc., which can be used for more detailed examination of disease and help doctors find the cause of disease and make a clear diagnosis; 2, food hygiene: the production of canned food, etc. Through the irradiation of radiation to kill bacteria, so that the food can be kept fresh for a long time.