The invention relates to a shaving mousse for men and a preparation method thereof. The shaving mousse comprises the following components by weight percent: 1-5% of thuja occidentalis or cape jasmine extract, 10-20% of stearic acid, 1-5% of glycerol monostearate, 0.1-1% of myristic acid, 0.1-1% of palmitic acid, 2-5% of coconut oil, 1-5% of palm oil, 0.1-1% of polyethenoxy ether lanolin, 1-5% of sorbitol, 1-10% of glycerol, 1-2% of triethanolamine, 3-10% of sodium hydroxide, 3-10% of potassium hydroxide, 0.1-0.5% of common antioxidant, 0.1-0.5% of essence, 0.1-0.5% of menthol, 0.1-0.5% of common preservative, 7-10% of LPG propellant and 8-68.2% of deionized water. As thuja occidentalis or cape jasmine extract is added, the invention has the functions of sterilization, anti-inflammation, virus resistance, beauty, skin protection and skin infection resistance; and the shaving mousse can also expand beard, soften hairs and relieve skin, thus having the advantages that beard is easy to shave and the operation is convenient.