It is common for pregnant women to experience nausea, vomiting and poor appetite in the 2nd month of pregnancy. It causes these symptoms because of early pregnancy reaction, which is a normal phenomenon in early pregnancy, and is related to the change of hormone level in pregnant women’s body after pregnancy, as well as poor rest and poor nutritional status of pregnant women in early pregnancy. For this situation, first of all, we should pay attention to rest, maintain a good state of mind, and do not be overly anxious and nervous. Secondly, it is recommended to have a light diet and eat less greasy food that will obviously cause discomfort to pregnant women. In addition, you can take appropriate B vitamins to relieve vomiting.