It is possible to eat soy products during pregnancy with breast nodules, but it is not recommended to eat more of them. Breast nodules are commonly associated with conditions such as breast hyperplasia, breast cysts and breast tumors. Breast nodules are a symptom caused by an imbalance of hormone levels in the body, resulting in excessive estrogen production as well as emotional and environmental factors. Soy products are higher in vegetable protein and are beneficial in moderation. If breast nodules are detected during pregnancy, it is recommended that the expectant mother must complete the relevant tests for a clear diagnosis. In daily life, patients are advised to take proper physical exercise while controlling their weight and avoiding overweight. Pregnant women are advised to avoid drinking alcohol, smoking, staying up late and overworking. When pregnant women with breast nodules can eat soy products, if any adverse condition occurs, they should go to the hospital in time for treatment.