本文通过对与人体健康有关的22项症状指标进行调查,再用实验组与对照组比较的方法,得出低频辐射对人体有害的结果,同时提出了低频辐射具体防护措施。 22 kinds of symptoms indicators data, which are related to the human health, are studied by expe-rimental and contrasting methods. The author draws the conclusion that low-frequent electrical radiation is harmful to the human health. Some practical measures to the protection from the low-frequent electrical radiation are offered in the article.