Abstract: In recent years, there has been a gradual increase in electric shock accidents caused by outdoor activities such as fishing and flying kites under power lines. This article studies a voice warning anti electric shock warning board, which includes a warning board shell and a voice warning anti electric shock device. Detect whether there are people approaching the surrounding area through the infrared detection module. When there are people around, a voice alarm will be triggered and a red and blue flashing light will be emitted, indicating the danger of high-voltage lines. Fishing and kite flying are prohibited to reduce the occurrence of electric shock accidents.