Yellowish-green fluid secretion from the lower body is usually indicative of pathogenic infection and is usually difficult to heal on its own. The causes of yellow-green liquid secretion from the lower body in male and female patients are different, more common in women and less common in men.1. Women: yellow-green liquid secretion from the lower body in female patients is commonly associated with trichomonas vaginitis, mycoplasma vaginitis, etc. It is usually difficult to heal on its own and requires medication, mainly with sensitive antibiotics, such as metronidazole and azithromycin.2. yellow-green liquid mostly located in the urethra, commonly in glans vulgaris, urethritis, considered to be Pseudomonas aeruginosa infection. In addition, it may also be gonorrhea, which is caused by gonococcal infection of the urethra. Both diseases do not heal on their own and require treatment with sensitive antibiotics. Both men and women need to pay attention to choosing cotton underwear, keeping the lower body fresh and dry, and avoiding intercourse during treatment to prevent cross-infection. Also avoid fatty, sweet, spicy and cold foods, it is advisable to eat more light and nutritious food, drink more water and eat more vegetables.