1. Eye protection double filter to avoid harmful ultraviolet and infrared radiation generated by the arc, as well as damage to the eyes caused by strong welding light, and prevent the occurrence of electro-optic ophthalmia. 2. Face protection Effectively prevent the splashes and harmful objects in the operation from infringing on the face, and reduce the occurrence of skin burns. 3. Respiratory protection Airflow guidance, effectively reducing the harmful gas and dust released by welding to the body and preventing the occurrence of pneumoconiosis occupational diseases.