The invention relates to a combined garlic soft capsule and a preparation method thereof. The preparation method comprises the following steps: taking garlic oil, chromium-enriched yeast, a ginkgo leaf extract, vitamin E, beewax, corn oil, gelatin, glycerinum and pure water as raw materials; and dissolving, batching, pelleting, shaping, drying, picking and packaging to obtain the combined garlic soft capsule with an auxiliary blood fat reducing health-care function. Compared with the prior art, the combined garlic soft capsule has the auxiliary blood fat reducing health-care function, and has effective prevention effect on cardiovascular and cerebrovascular diseases.