The main reasons for the growth of fat on the stomach after pregnancy are the following: First, after pregnancy, the relative activity is reduced, metabolism will slow down, which will lead to fat accumulation in the clinical situation, the fat accumulation on the abdominal wall is relatively more, mainly because the skin of the abdomen is more relaxed, which will lead to the accumulation of fat in this area. Secondly, after pregnancy in the diet in order to make the fetus better growth and development, so strengthen nutrition, eat relatively more, metabolism and slow down, which causes excess nutrition, so it will lead to the accumulation of fat. This is the main reason for the growth of fat on the belly after pregnancy, it is recommended to strengthen nutrition throughout pregnancy while eating scientifically, so as to ensure balanced nutrition in daily life.