The human tetanus immunoglobulin for intramuscular injection, produced by our company through cold ethanol fractionation and viral inactivation at low pH value, has the following features: l The tetanus antibody potency can be effectively maintained over 100IU/ml within storage duration; l Its liquid preparation is convenient to use; l Its monomer and dimer are no less than 90%; l Anti-HBs potency is not less than 6.0IU/g protein, with broad-spectrum antibody included; l It is safe, effective and rarely causes anaphylaxis.