Ionizing radiation usually includes alpha rays, beta rays, gamma rays, X-rays, neutron rays and so on. Ionizing radiation is actually a general term for all radiation that can cause material ionization, which is characterized by short wavelength, high frequency and high energy. Because these ionizing radiation to a certain extent will destroy human genetic material, and therefore also recognized by the World Health Organization International Agency for Research on Cancer as a class of carcinogens. The most common ionizing radiation in daily life is commonly found in medical X-ray diagnostic machine, γ-ray therapy machine, nuclear medicine with radioisotope reagents, etc., in addition to the production of measuring material level with the material level meter, X-ray flaw detection and thickness gauge, measuring moisture with neutron rays, etc. are ionizing radiation. In the face of these radiations, we must take adequate protective measures and operate in strict accordance with the relevant instructions, so as to avoid carelessness and inadvertence that may lead to ionizing radiation waves to themselves, inducing acute and chronic radioactive injuries, resulting in skin damage, impaired fertility and even carcinogenic and causing fetal death and the risk of malformation.