Laundry detergent and preparation process thereof

The invention relates to the technical field of laundry detergents, in particular to a laundry detergent and a preparation process thereof. The preparation method comprises the following steps: 1, mixing and stirring raw materials according to a ratio; step 2, airing Chinese honeylocust fruit, crushing, boiling with hot water, and filtering with a preparation device to obtain Chinese honeylocust fruit water; 3, mixing the saponin water into the stirred raw materials; step 4, uniformly mixing the Chinese honeylocust fruit water with the raw materials, and standing to obtain the laundry detergent; the preparation device comprises a cross beam, a bottom ring fixed to the front end of the cross beam and a filter screen arranged on the bottom ring in a sleeving mode, a locking rope is arranged in the edge of the filter screen in a penetrating mode, the locking rope is exposed out of an opening in the edge of the filter screen, and a pressing ring which can be buckled to the bottom ring and is used for clamping the