The invention generally relates to a liquid topical pharmaceutical composition used in treating various skin wounds. The composition is characterized by strong moisture absorption and retention capabilities and being able to quickly seal the wound. The composition can resist oxidation, effectively inhibit bacteria and sterilization, protect germinal cells from further damage, eliminate wound swelling and promote wound healing. The pharmaceutical composition can be widely used in the treatment of burn, skin abrasion, laceration, infectious skin ulcer and wound exposure, save dressing and be used in a convenient and highly effective way.