It has the efficacy and effect of warming the middle and resolving phlegm, lowering the rebelliousness and stopping vomiting (stopping the upward rush of gastric qi, stopping vomiting). Jiang Hanxia is warm and dry in nature, and should be used cautiously for yin deficiency and dry coughs, hemorrhagic diseases (non-physiological bleeding disorders), hot phlegm and dry phlegm, and is not suitable for use with Chuanwu, Prepared Chuanwu, Prepared Caowu, Prepared Caowu and Appendiciae. Ginger Half-summer is a concoction of half-summer, and raw half-summer is made of ginger and alum. It is pungent and warm in nature. It has the efficacy of warming the middle and resolving phlegm, lowering the rebelliousness and stopping vomiting (stopping the upward rush of gastric qi and stopping vomiting), and is mainly used for phlegm, vomiting and regurgitation, respiratory wheezing, gastro-epigastric plumping (distended and uncomfortable stomach), headache, dizziness, and carbuncle and gangrene (which is a kind of poisonous sore and occurs as an acute suppurative disease of the surface of the body, the limbs, and the internal organs) and swelling. If there are clinical symptoms of spleen deficiency and dampness, this herb can be used with Chen Pi and Poria to strengthen the spleen and dispel phlegm, and if there is cold phlegm, it can also be used with herbs such as Bai Zhi Zi Zi or Ginger to provide good effect of phlegm elimination. In the use of this herb, must be used under the guidance of a professional Chinese medicine practitioner, not to be used arbitrarily, so as not to cause unnecessary harm to the body.