The invention discloses white spirit capable of improving bouquet by utilizing lotus resources and a preparation method thereof. The method comprises the following steps: when the white spirit is brewed, cooking a main material, after cooking is completed, taking out the main material, spreading for cooling, adding a lotus seed pot shell extract and distiller's yeast, uniformly stirring the materials, and performing saccharification and fermentation; after the fermentation is finished, distilling and ageing to obtain aged white spirit; rolling and drying fresh lotus leaves, adding the lotus leaves into the aged white spirit, soaking for 1-4 days, and then filtering to remove the lotus leaves so as to obtain the white spirit. According to the method, the substances in the lotus seed pot shells are extracted, the lotus seed pot shell extract is obtained, the lotus seed pot shell extract is added in the preparation process of the white spirit, the aromatic substances are prevented from being distilled out during distillation, the lotus leaves are treated and added into the white spirit to be soaked after being aged, so that the aromatic substances and nutrient substances in the lotusleaves are fully absorbed by the white spirit, and finally the white spirit with the special composite fragrance is obtained.