On the last day of menstruation, the most afraid of this situation is the upward infection of pathogens, because this period of time the body resistance is poor, easy to cause pathogen infection. If there is no discomfort after intercourse, you can pay attention to vulvar cleanliness and hygiene, keep the local dry, can be temporarily observed, without special treatment. If there is pain in the lower abdomen, a large amount of secretion, secretion odor and other discomforts, you can consider oral antibiotic treatment, such as cephalosporin or metronidazole drugs. If the discharge has a bad smell, affecting the normal life, you can test the vaginal secretion, according to the results of the examination, the choice of local vaginal medicine.