Dizziness during breastfeeding is mainly seen in the following diseases: 1. Malnutrition, various causes of insufficient nutrient intake and absorption disorders in pregnant women can lead to malnutrition, coupled with breastfeeding the child, the probability of malnutrition is relatively high. In addition to dizziness, patients can also be accompanied by symptoms such as wasting, weakness and loss of appetite. Patients are advised to adjust their dietary structure, eat regularly, and visit the gastroenterology department if necessary.2. Anemia, patients show pallor, loss of appetite, fatigue, dizziness, memory loss, and routine blood tests suggest a low red blood cell count and reduced hemoglobin content. Patients are advised to eat iron-rich foods, such as lean meat and duck blood, etc. 3, excessive mental stress, excessive mental stress can also lead to dizziness, especially in patients with combined insomnia, patients are advised to relax and consult a psychiatrist if necessary. 4, hypertension, patients mainly manifest elevated blood pressure often accompanied by panic, chest tightness, sore and tight shoulders and other symptoms. In addition, it is also seen in hypotension, hypoglycemia, lack of sleep, etc. It is recommended to take patients to the hospital for systematic examination and treatment of the cause.