The invention discloses a hand-thrown aerosol fire extinguisher, comprising a casing, an igniter, an aerosol generator containing an aerosol drug column, a combustion chamber, a cooling chamber and an aerosol nozzle, wherein, the igniter in the aerosol generator is a delay element and an ignition element; the ignition element is a Lanyard-actuated ignition element, a push type ignition element or a thermosensitive ignition element; the ignition element is connected with the delay element; the tail end of the delay element is arranged in the aerosol drug column; and a grip or a handle is arranged on the casing. The hand-thrown aerosol fire extinguisher of the invention adopts the Lanyard-actuated ignition or push type ignition to replace electric ignition adopted in the existing aerosol extinguisher, does not has the problems of false tripping or no starting occurring in electric ignition in an extinguishing process, does not has safety potential for hurting people due to explosion, and has lower manufacturing cost, longer storage period and convenience for flexible use. The hand-thrown aerosol fire extinguisher of the invention belongs to an unfixed extinguisher which has the characteristics of environmentally friendliness, safety, reliability and no damage on protectors, and is suitable for fire-fighting of various relative sealing spaces.