Menstrual blood with a lot of blood clots and flesh-like tissue discharge must be taken seriously and is more serious. It is mainly caused by the following reasons: 1. Some kind of disease causes blood clots in menstrual blood and will discharge a lot of endometrium, so that this symptom can appear, commonly due to inflammation of the endometrium or coagulation dysfunction, etc. 2. The possibility of miscarriage must be ruled out, because although someone is pregnant, there will still be bleeding, and the vast majority of women will mistake it for menstruation and do not think that there is a miscarriage of Symptoms. It is recommended to actively go to the hospital for examination, to draw blood to understand the blood HCG, and to do ultrasound examination, and to send the discharged tissue for pathological examination.