1, Magnolia officinalis, has the effects of eliminating dampness and phlegm, lowering qi and relieving asthma. It can be used for spleen-stomach disharmony and abdominal distension caused by dampness, food retention and qi stagnation. It is often combined with Atractylodes lancea and Pericarpium Citri Tangerinae, such as Pingwei Powder. It can also be used in combination with rhubarb and immature bitter orange, such as Xiaochengqi decoction, which is used for stagnation of constipation. Magnolia officinalis also has the function of relieving cough and asthma, and can be used in combination with Guizhi and Paeonia lactiflora, such as Guizhi Thickening Puxingzi decoction. It can also be used for plum pit gas caused by phlegm stagnation, and can be combined with Pinellia ternata and Folium Perillae, such as Banxia Houpu Decoction.

2, because it is hard and warm, it is easy to hurt body fluid and consume gas, so it is not suitable for people with qi deficiency and body fluid deficiency.