Babies crying at night when they are scared can be caused by physiological factors, but also by pathological factors such as vitamin D deficiency or parasitic infections. You can take general treatment, drug treatment. 1. Physiological factors: the baby is more excited or frightened during the day, it is easy to cry at night, you can give the baby appropriate appeasement, while avoiding too much excitement before bedtime. 2. Vitamin D deficiency: can lead to night terrors, excessive sweating, poor sleep quality, irritability and other symptoms. Vitamin D can be taken orally to relieve the symptoms, and calcium gluconate can be supplemented if necessary. 3. Parasite infection: parasites will attack the child at night, affecting its sleep, some parasites are also prone to climb out of the anus to lay eggs, resulting in restless sleep, crying, you can use levamisole hydrochloride tablets and other deworming. The baby scared the night crying, there are other reasons, such as upper respiratory tract infections, etc., it is recommended to consult a doctor in a timely manner, improve the examination, to find the cause of the disease and follow the doctor’s instructions for treatment. The above medication is in accordance with medical advice.