Under normal circumstances, licorice can be taken under the guidance of a doctor during breastfeeding and usually has no adverse effects on the baby, so don’t worry too much. Glycyrrhiza glabra is used as a medicine from the root and rhizome. It is flat and sweet in nature, and belongs to the heart, lung, spleen and stomach meridians, and is a tonic for the qi. Licorice has the functions of tonifying the spleen and benefiting Qi, clearing heat and detoxifying, dispelling phlegm and relieving cough, relieving urgency and pain, and harmonizing all medicines. It is applied in palpitations of the heart, pulse generation, spleen qi deficiency, cough, cachexia and contracture of the extremities due to deficiency of heart qi. It also has the function of clearing heat toxicity, sore throat and poisoning by medicine and food. In clinical practice, it is mainly used to tonify the spleen, benefit Qi, resolve heat and clear toxins, and for treating cough and other symptoms. It can be applied during the perinatal period or lactation period under the guidance of a doctor. Lactating women should eat a healthy diet and avoid fried, greasy, puffed, pickled, and smoked foods. A moderate intake of high quality protein foods will help the secretion of milk, and fresh vegetables and fruits should also be consumed to ensure a balanced nutrition of breast milk.