Cactus is a succulent plant, which can't prevent radiation, and has no ability to reduce radiation or prevent radiation. Putting a cactus next to the computer can green the environment, add interest, make people relax, and is good for relieving work fatigue, but radiation protection is really a rumor. There is no scientific basis to infer that cactus can prevent radiation, which is not credible. Most people think that cactus can survive in the desert and absorb strong sunlight and ultraviolet rays. They also think that cactus can absorb electromagnetic radiation. In fact, the electromagnetic radiation generated by electronic equipment in our daily life is completely different from the radiation of the sun, so it is not reliable to say that cactus can prevent radiation. At present, the recognized radiation protection method is to wear radiation protection clothing, which can shield in a certain range.