Symptoms of industrial alcohol poisoning are mainly visual symptoms, but also digestive symptoms, respiratory symptoms or neurological symptoms, etc. The symptoms of industrial alcohol poisoning are mainly visual symptoms. 1. Visual symptoms: poisoning is likely to lead to visual impairment, starting with optic papillitis, i.e., sudden bilateral vision loss accompanied by eye pain, if the poisoning is more serious, it can quickly lead to blindness, optic papilla pallor. The visual field is altered both centrally and peripherally, but there is always a paracentral dark spot. Sometimes, the edema of the optic papilla can last for 2 months, and finally, the optic nerve atrophy of varying degrees remains. 2. Digestive system symptoms: mainly nausea, vomiting, loss of appetite. 3. Respiratory symptoms: patients often have shortness of breath, or even have difficulty in breathing. 4. Nervous system symptoms: If the poisoning is serious, it may lead to loss of consciousness or even coma. Other symptoms of industrial alcohol poisoning may occur, such as increased heart rate, unsteady gait, etc. If the above symptoms occur, you should go to the hospital in time and cooperate with the doctor for treatment.