There are several ways to supplement vitamin D for pregnant women: 1. diet therapy, you can choose to supplement the vitamin D needed in your body through diet, for example, eat more fresh fruits and vegetables every day, and reasonably match fish, shrimp, eggs, milk, lean meat and other foods that can supplement vitamin D in your daily diet. 2. health therapy, pregnant women who lack vitamin D should increase the time of sun exposure every day and walk outdoors regularly to help your body promote vitamin D absorption while breathing fresh air. 3. 3, drug therapy, you can take vitamin D directly under the guidance of a doctor, or choose suitable for pregnant women to drink vitamin D oral liquid, can improve the lack of vitamin D situation. It is also important to pay attention to balanced nutrition in daily life and regularly check the vitamin D and other elements supplementation at the hospital to ensure the normal development of the fetus in the womb.