The yellowish-green color of leukorrhea during menstrual disorders at the age of 50 may be caused by bacterial infection, trichomonas infection or mycobacterial infection of the reproductive tract, which can be treated with drugs such as metronidazole, tinidazole and clotrimazole under the guidance of a doctor. 1. Bacterial infection: If the reproductive tract is infected by bacteria and suffers from bacterial vaginosis, it will lead to yellowish-green color of the leukorrhea, which can be treated with drugs such as metronidazole, tinidazole and clindamycin under the guidance of a doctor. 2. Trichomonas infection: If the reproductive tract is infected by trichomonas, suffering from trichomonas vaginitis may also lead to the pathology of yellowish-green color of the leukorrhea, which can be treated with oral metronidazole, tinidazole and other medicines under the guidance of the doctor. 3. mold infection: if the yellow-green phenomenon of leukorrhea caused by mold infection, you can use clotrimazole, miconazole and other drugs under the guidance of the doctor to treat. 50 years old menstrual disorders yellowish green, may be a variety of reasons, it is recommended that the patient promptly to the regular hospital to identify the cause of targeted treatment, avoid self-diagnosis and treatment, so as not to delay or aggravate the condition.