The present invention relates to a liquid formulation containing botulinum toxin and stabilizing agent, and preparation method therefor.A liquid formulation containing botulinum toxin and stabilizing agent according to the present invention be can easily store and distribute. AND it was proved a significant effect on the stabilization of botulinum toxin under suitable conditions according to the temperature and pH of the human body. Thus, it is expected that the pharmaceutical composition of the present invention will greatly contribute to the safe and convenient medical use of botulinum toxin.
