The invention discloses a nutrient solution for men and a preparation method of the nutrient solution. The nutrient solution comprises the following raw materials: a concentrated red date solution, a wolfberry extracting solution, a tuckahoe extracting solution, citric acid, potassium sorbate, a xylitol solution and malt flour. The preparation method comprises the steps of proportioning, micro porous filtration, high-pressure homogenizing, filling and the like. The nutrient solution is prepared by taking edible and medicinal varieties as raw materials, has rather high nutrient and health values, has the effects of enhancing the immunity of a human body, increasing the muscle strength, preventing anaphylaxis, protecting the liver, tranquilizing and allaying excitement, preventing cancer, mutation and nocturnal emission, reducing blood fat and blood sugar and the like, and is suitable for all men.