Swelling and pain under the left rib cage is often seen when liver qi is stagnant and qi stagnation and blood stasis are present, especially when qi is not well drained after birth. At this time, you can seek the help of traditional Chinese medicine (TCM), such as pressing the Hegu and Taichong points, which can effectively regulate the liver’s function of detoxification. In addition, you can take traditional Chinese medicine, such as Chai Hu Shun Liver Essence, commonly used medicines include Chai Hu, Angelica sinensis, Paeonia lactiflora, Citrus aurantium, licorice, Pericarpium Citriodora, Rhizoma Ligustici Chuanxiong, etc. These medicines can help dredge the liver and regulate the qi, activate the blood, etc. They can reduce the symptoms of distension and pain below the left rib cage significantly.