Lidocaine chlorhexidine aerosol from the composition of the drug, can play the effect of delay; but from the available clinical data and instructions for use of the drug, the drug can not be used for delayed treatment. Lidocaine chlorhexidine aerosol, the main ingredients are lidocaine, chlorhexidine acetate and benzalkonium bromide and so on, of which lidocaine belongs to a kind of local anesthesia drugs, the role of the glans and the coronal groove around the local anesthesia will play a local anesthesia effect, so as to reduce the sensitivity of the glans. Adverse effects of lidocaine chlorhexidine aerosol include localized burning sensation, rash, itching and so on. Contraindications to Lidocaine Chlorhexidine Aerosol include hypersensitivity to the drug components. Chlorhexidine acetate and benzalkonium bromide, both of which are part of the drug composition, are broad-spectrum antimicrobial agents that are used for bactericidal treatment of the skin mucous membranes. Due to the lack of relevant clinical data, in order to ensure the safety of the drug, Lidocaine Chlorhexidine Aerosol can not be used for delayed treatment. It is recommended that patients with premature ejaculation go to a regular hospital in time to seek treatment and strive for early recovery.