Increased leucorrhea and vulvar itching during pregnancy should first be clarified to see if it is caused by pathological factors, and then be treated with lifestyle management or medication. I. Etiological treatment 1. You can visit the obstetrics and gynecology department of the hospital to clarify the presence of Candida vaginitis, bacterial vaginosis or trichomonas vaginitis through gynecological examination, routine leucorrhea examination and pathogen examination. 2. After diagnosis, patients with trichomonas vaginitis and bacterial vaginitis need to use metronidazole suppositories vaginal plug, and if the infection is caused by mycobacteria, they need to use clotrimazole suppositories vaginally. Vaginal douching is generally not recommended to avoid dysbiosis that may cause inflammation. It should be noted that pregnant women belong to the special medication population, especially in the early stages of pregnancy, should be strictly under the guidance of doctors for the use of drugs. During pregnancy, the pH of the vagina may change slightly due to physiological changes, which may lead to symptoms of vaginitis such as yellowish leucorrhea, odor or tofu-like. In addition to the treatment of the cause, the following points should be noted: 1. actively take care of the vulva, such as wearing breathable cotton underwear, try not to use sanitary napkins and pads, change underwear regularly, do not douche the vagina, wash the vulva in time after urination and defecation, do not use strong alkaline soap, solutions, etc.; 2. diet should be reasonable, do not eat spicy and stimulating food, do not drink alcohol and strong tea, eat more protein, vitamins and minerals rich food. The food is rich in protein, vitamins, minerals, such as eggs, lean meat, vegetables, fruits, etc.; 3. It is forbidden to scratch the vulva when itching, maintain a good mood, not depressed, nervous, irritable, etc.