The present invention provides an auxiliary bullet loader for a magazine, which includes a housing, wherein the housing is provided with a mounting space for accommodating a magazine, a first swinging mechanism is connected to a top portion of the housing, the first swinging mechanism includes a first pressing plate, the first pressing plate includes a first engaging end, the first engaging end extends obliquely downwards into the mounting space, and a bullet inlet of the magazine when the magazine is loaded into the mounting space faces upwards, the first engaging end is inserted into the magazine and swings relative to the housing under an action of the magazine, thereby pressing a follower within the magazine.