Patients with hypothyroidism in the early stages of pregnancy should pay attention to standardized medication, maintain a healthy lifestyle and diet, regular checkups, etc. It is recommended to follow the doctor’s instructions for medication. 1. Standardized medication: If the thyroid hormone level of patients with hypothyroidism is not controlled stably, it may cause abnormal embryonic development and miscarriage, so they need to follow the doctor’s instructions to standardize the use of levothyroxine sodium tablets, to maintain the thyroid hormone within a reasonable range. 2. Maintain a healthy lifestyle and diet: patients with hypothyroidism should maintain a comprehensive, nutritious and balanced diet; they should keep a regular work and rest schedule and a good mindset in their daily life. 3. Regular checkups: regular thyroid function tests and maternity checkups will help to understand the development of the fetus, the level of thyroid hormones, and the changes of the pregnant woman herself. Patients diagnosed with hypothyroidism in early pregnancy should actively cooperate with the doctor for treatment, and if there is any discomfort, it is recommended to go to the hospital for consultation.