Lidocaine aerosol efficacy is not limited to men, but is mainly used for local anesthesia of the skin and mucous membranes, and can be used for minor surgery of the oral and nasal mucous membranes and so on. Lidocaine aerosol is a local anesthetic. It can be used for oral, nasal mucosal minor surgery as well as stomatology tooth extraction surgery, and can also be used for abscess incision. It can make the surface anesthesia of the throat and trachea to reduce reactivity. It allows easy insertion of catheters for tracheoscopy, laryngoscopy or gastroscopy. Lidocaine produces local anesthesia primarily by inhibiting the flow of ions needed to produce and conduct waves of excitation to stabilize nerve membranes. It is mostly used on the skin mucous membranes and is fast acting and permeable to peripheral nerves. Use with caution in pregnant and lactating women. Lidocaine aerosol can cause adverse reactions such as tinnitus, agitation and irritability. Use the medication as prescribed by the doctor. It is contraindicated in patients with hypersensitivity to local anesthetics, porphyria, uncontrolled epilepsy, Asperger’s syndrome (acute cardiogenic ischemic syndrome), preexcitation syndrome, and severe cardiac block (including sinoatrial, atrioventricular, and intraventricular block). In addition, lidocaine aerosol can also be used to treat premature ejaculation in men, but should be applied in strict compliance with medical advice.