Mild liquid soap and preparation method thereof

The invention belongs to the field of daily cosmetics and particularly discloses a mild liquid soap. A preparation method of the mild liquid soap comprises the following steps: under the temperature of 55 to 85 DEG C, oleic acid 2-ethylhexyl ester, almond oil, wheatgerm oil, olive oil PEG-7 ester and coconut oil amido propyl betaine are evenly mixed, and heated for 10 to 40 minutes, and an emulsion A is obtained; an acid-base modifier is added into water with the temperature of 55 to 85 DEG C for even mixing, heating is performed for 5 to 20 minutes, and an emulsion B is obtained; the emulsion A and the emulsion B are mixed and stirred for 15 to 45 minutes at a stirring rate of 100-500 rpm, after the temperature is lowered to 30 to 50 DEG C, a preservative is added, and stirring is performed for 5 to 15 minutes at the stirring rate of 100-500 rpm, and the mild liquid soap is obtained. The liquid soap provided by the invention is prepared by taking an extract of natural plant as a raw material, has health and skin caring functions, and also has an antibacterial action due to the adoption of an olive extract; the extract of natural plant is adopted, the raw material cost is low, and the manufacturing process is simple.