Gleditsia sinensis is widely distributed in China, which has good economic value, medicinal value, ecological value and wood value. Its original plant is the fruit of Gleditsia sinensis, also known as Gleditsia sinensis. The medicinal materials are long and flat, with a length of15-20cm, a width of 2-3.5cm and a thickness of 0.8-1.4cm. They are hard and noisy and contain most seeds. The smell is spicy, and you sneeze when you smell its powder. A little poisonous. It has expectorant and resuscitation inducing effects, and can be used for intractable phlegm obstruction, chest distress, cough and asthma, uncomfortable expectoration, sudden coma, and mouth opening. Modern pharmacological research shows that Gleditsia sinensis has expectorant, antibacterial, gastric mucosa stimulating and hemolytic effects.

Gleditsia sinensis trees will bear deformed small fruits due to trauma, aging, imperfect flower development and parthenocarpy. The medicinal materials are bent into a sickle shape, with a length of 5- 10 cm, a width of 5- 12 mm and a thickness of 3- 10 mm, with white powder or hoarfrost inside and no seeds. The prescription is called Gleditsia sinensis. Zhang Lu, a medical scientist in the early Qing Dynasty, wrote: "There are two soaps, big and small, and the treatment is slightly different. Tooth soap for wind phlegm is the best. If you treat wet phlegm, big soap is the best. " Modern Chinese medicine also believes that tooth soap is extremely sharp, and it is not a sick syndrome. The weak, pregnant women and those with hemoptysis tendency are prohibited.