The invention relates to a novel fragrant-flowered garlic fertilizer maggot-removing bactericide which is mainly used in sterilization of a fertilizer in a fragrant-flowered garlic growth cycle, removal of fragrant-flowered garlic maggots and sterilization of fragrant-flowered garlic soil. The bactericide provided by the invention has the advantages that 1, marine organism livins and plant source livins are in synergistic effects and are commonly absorbed by fragrant-flowered garlic, and the damage of fragrant-flowered garlic maggots to fragrant-flowered garlic is inhibited while nutrient substances are provided; 2, due to a sterilization function of the marine organism livins, soil is purified, and a better fragrant-flowered garlic growth environment is created; 3, the plant source livins avoid maggots with a remarkable effect; 4, plant source nutrient substances repair fragrant-flowered garlic hurt by a chemical pesticide, so that absorption of the nutrient substances is promoted, and the fragrant-flowered garlic maggot damage is better resisted; 5, the novel fragrant-flowered garlic fertilizer maggot-removing bactericide has the characteristics of no toxicity, easiness in degradation, no pollution and no harm to a human body; and 6, the novel fragrant-flowered garlic fertilizer maggot-removing bactericide has the advantages of simple process, reduced consumption of pesticides, and low cost.