Plant extract composition with whitening effect and preparation method thereof

The invention relates to the field of plant extract compositions, in particular to a plant extract composition with a whitening effect and a preparation method of the plant extract composition. Comprising the following steps: S1, separately slicing apples and cucumbers by using a chopping device; s2, weighing the tea leaves, the radix scutellariae roots and the michelia alba flowers in proportion; s3, putting the apple slices, the cucumber slices, the tea leaves, the scutellaria baicalensis roots and the michelia alba flowers into water at 45-50 DEG C, and extracting; s4, filtering and concentrating the extracting solution, and adding 1-3 butanediol to obtain the plant extract composition with the whitening effect; the weight ratio of the extracting solution to the 1-3 butanediol in the composition is 1: (15-20); the weight ratio of the extract to the water in the concentrated extracting solution is 1: (1.5-2); the extract is prepared from the following raw materials in parts by weight: 4-5 parts of tea leave