The invention discloses human body lubricating fluid. The human body lubricating fluid comprises, by weight, 18-25% of aloe extracts, 8-12% of pitaya flower extracts, 10-20% of euphorbia royleana, 8-12% of okra extracts, 8-12% of ginseng fruit extracts, 10-20% of matrine extracts, 3-8% of safflower extracts, 13-14% of dandelion extracts, 0.5-1% of food grade preservative and 0.5-0.8% of food grade essence. After the above extracts are prepared, the above components are mixed according to the proportion to be stirred evenly and fully and then subpackaged, and the human body lubricating fluid is obtained. The human body lubricating fluid is a pure natural plant extract and free of spermicide, has the functions of lubricating, moistening and caring of the human body and also has the diminish inflammation and bacteriostasis functions. The lubricant is free of sensitization, capable of being cleaned conveniently after being used, not oily, more hygienic and safer, and a user feels comfortable.