If you use the fiber laser marking machine for a long time, it may cause adverse effects on the eyes and skin of pregnant women. Fiber laser marking machine on the human body radiation is very small, almost negligible, but in the switching machine when the radiation value is relatively large, pregnant women should pay attention to try to avoid approaching at this time, should pay attention to close or during the work with good protective tools. However, if pregnant women participate in the work for a long time, the laser may damage the cornea, causing keratitis, conjunctivitis, etc., pregnant women will have eye pain, fear of light, tears and other uncomfortable symptoms. In addition, if the laser is exposed to the skin for a long time, it can cause skin damage. It is recommended that pregnant women should try to stay away from fiber laser marking machine during pregnancy. If pregnant women experience any of the above discomfort during use, it is recommended that they seek medical attention in time and treat the symptoms under the guidance of a doctor.