Sequestering antibodies are mainly autoantibodies that prevent the mother’s immune system from attacking the fetus during pregnancy. After a woman is pregnant, the mother’s internal serum will produce a kind of anti-mate lymphocyte antibodies, which can effectively inhibit the lymphocyte reaction and prevent the mother’s immune system from rejecting the fetus, this antibody is favorable to the growth and development of the fetus, and it is easy to lead to habitual miscarriage if there is a lack of closed antibody during pregnancy. When the patient has a lack of closed antibody, need to go to the hospital in time to receive examination, can be given immunotherapy. Through this method, the level of closed antibody in the female body can be increased. First, a certain amount of peripheral blood from the patient’s spouse needs to be extracted, and the lymphocytes are separated out by centrifugal precipitator, cultured for a period of time, and then imported into the skin of the woman’s forearm.