Tetrahydrofuran is harmful to men because of its ability to reduce sexual function, fertility, and liver and kidney damage. Tetrahydrofuran is an organic compound that has a certain anesthetic and stimulating effect. When inhaled briefly, it may cause dizziness and nervous system involvement, as well as liver and kidney damage. Tetrahydrofuran also has a certain degree of toxicity, male exposure may cause testicular atrophy, resulting in male infertility, and even a small percentage will increase the probability of male cancer. Although tetrahydrofuran is said to be a good solvent, but should not be exposed for a long time, otherwise it will be harmful to the human respiratory tract, skin, digestive tract, resulting in chest tightness, chest pain, coughing and fatigue, etc., if there is physical discomfort after exposure to tetrahydrofuran, it is recommended that you go to the hospital as soon as possible for professional treatment.