X-ray radiation dose alarm device, four environmental groups are always ready: 1. Negative ion products/imported items/food/cosmetics, maternal and child products/water, etc. all items and living environment; 2. Marble/tile/granite/jade/meteorite/energy stone diatom Mud, etc. radiation of all stone and decoration materials; 3. Hospital nuclear facilities: X-ray machines: CT, CR, DR linear accelerator/angiography (DSA) tomography (PET/CT)/proton therapy equipment stereotactic radiation therapy /medical applicator cyclotron/blood irradiator, and other radiation medical equipment; 4. Nuclear industry: nuclear power plants, military nuclear radiation, industrial radiation industrial particle accelerators, non-destructive testing, mining radiation waste recycling, scrap steel, Nuclear radiation in all industrial environments such as metal casting; 5. Handling of radiation safety permits in all medical environments such as hospitals/pet hospitals/dental clinics. 6. Handle radiation safety licenses for all nuclear-related industries such as industrial flaw detection, irradiation, and particle acceleration. Technical features: small appearance, convenient operation, high sensitivity, high accuracy, intelligent protection, triple alarm, humanized design, multiple reminders, overall report, scientific monitoring.