An empty sac is a spontaneous miscarriage. During the development of a pregnant egg, there will be a sac with a germ and a pulsating heart tube. An empty sac means that there is no germ or heartbeat inside and is clinically called an empty sac. It is a form of miscarriage in which there are no contents inside. If it happens once in a while, there is no need to intervene, but if it occurs repeatedly or more than 2 or 3 times, it is necessary to check the cause of the empty bladder and provide targeted treatment according to the cause. The main thing after empty sac is to pay attention to rest and ensure the recovery of the body. In addition to physical recovery, psychological recovery is also needed. Pay attention to balanced nutrition and appropriate activities. In terms of nutrition, we need to eat healthy and beneficial food rich in high protein, such as high quality protein, fish and shrimp, etc. Therefore, in case of spontaneous miscarriage with empty sacs, it is important to pay high attention to the causes and prepare for the next pregnancy according to its condition.