A small gestational sac can be due to both physiological and pathological reasons of the pregnant woman. The remedy is different for different reasons. 1.Physiological reasons: small gestational sac can be caused by emotional tension and other reasons that lead to nausea, vomiting and malnutrition in early pregnancy, and it can also be due to wrong ovulation and late conception, thus the gestational sac is smaller than the one calculated by the number of days of menopause; remedy: this kind of small gestational sac is normal, as long as after a week of dynamic examination, the values of human chorionic gonadotropin and progesterone are gradually increasing and the gestational sac is growing and the germ and fetal heart are gradually appearing. 2.Pathological reasons: due to poor development of eggs and sperm, infection of mycoplasma, rubella virus, chlamydia during pregnancy or exposure to toxic and harmful substances during pregnancy, etc., resulting in poor development of the gestational sac, which is smaller than the normal month of pregnancy; remedy: pregnant women with the above conditions, in The gestational sac will continue to grow with time during pregnancy, but no germ or fetal heart can be seen; this is an unhealthy gestational sac, and it is recommended to go to the hospital for ultrasound examination, and if necessary, abortion may be required. In the case of a small gestational sac, it is important to keep a happy mood and take a reasonable amount of micronutrients. Eat as much high quality protein and fruits as possible to ensure healthy development of the fetus.