Walnuts have a nourishing effect on the skin and can make the skin white. They also contain vitamin E, which can play a complementary role in the treatment of patients who often suffer from forgetfulness and other symptoms, and will not affect the quality or quantity of milk. If you eat walnuts regularly during breastfeeding, it can improve the quality of milk, but it does not have the effect of returning milk. If the amount of milk decreases, it is recommended to give improvements in diet, such as drinking more chicken soup, oxtail soup or boiling some sea cucumber, all of which can help to reduce milk. It is also recommended to get enough sleep and avoid being overly tired, as poor sleep can also lead to a decrease in milk production. In addition, emotional changes can also cause a decrease in milk production.