As a broad-spectrum antimicrobial drug, this product mainly ACTS on the 50S subunit of the bacterial 70S ribosome and inhibits peptidase transferase, thereby inhibiting the extension of the peptide chain and preventing the synthesis of bacterial protein.It has a strong effect on all kinds of gram-positive bacteria and gram-negative bacteria.The intramuscular injection of this product has rapid absorption, wide distribution, long half-life and high blood drug concentration. It can maintain the blood drug concentration for a long time, and has unique curative effect for digestive tract and respiratory tract infection.