The precautions for 30 days of pregnancy are as follows: First, 30 days of pregnancy, it is not yet possible to identify whether it is intrauterine or extrauterine pregnancy by ultrasound, so it is necessary to pay attention to the fact that, if there is abdominal pain and vaginal bleeding, it is necessary to go to the hospital in time. Because if it is an ectopic pregnancy, there is a possibility of rupture, which may endanger the patient’s life in serious cases. Secondly, the patient can’t have coitus and can’t take basin bath to avoid causing infection or miscarriage. Third, the patient can not lift heavy objects, can not run, if there is constipation or chronic cough, to be actively treated, because these conditions may lead to increased abdominal pressure and cause miscarriage. Fourth, the patient is 30 days pregnant, should pay attention to supplement folic acid, in the first three months of pregnancy should be supplemented with folic acid, mainly to prevent fetal neural tube malformation. Fifth, patients must not eat spicy food in diet, eat less seafood and other hairy things, eat less greasy food, eat more fruits and vegetables.