Routine leukorrhea cleanliness degree IV suggests vaginitis. Normal leukorrhea cleanliness is I~II degree, while III~IV degree suggests vaginal inflammation. There are various causes of vaginal inflammation, such as decreased resistance, infection with external pathogenic bacteria, dysfunction of vaginal flora or decreased estrogen levels. When leukorrhea cleanliness IV degree is found, the cause of the disease is identified first. If it is infected with external pathogenic bacteria, it should be targeted antimicrobial treatment, such as metronidazole, clotrimazole; if the level of estrogen is declining, it should be supplemented with estrogen; if it is a decline in resistance or dysfunction of the flora, it should be given medication to enhance resistance and adjust the vaginal flora, such as bifidobacteria lactobacillus. In daily life, we should develop good hygiene habits, change and wash underwear, do not wear airtight or tight pants, pay attention to sexual hygiene, prohibit sexual intercourse during treatment, or use condoms to prevent cross-infection. You need to go to the hospital in time, and the drugs need to be used as prescribed by the doctor.