1, calming the liver and calming the wind: antelope horn cools down and enters the liver, heart and lung meridians. Purge liver fire and clear heart and lung. Liver governs wind, and blood is stored in the eyes, so it is an important drug for calming the liver and calming the wind. Can be used for hyperactivity of liver yang, dizziness, hyperactivity of liver wind, convulsion, epilepsy and convulsion.

2. Clearing heat and relieving spasm: This syndrome is mostly caused by excessive pathogenic heat after fever. High fever, irritability, delirium, spasm, thirst, burning lips and convulsion caused by excessive heat in children, this product is the first choice for clearing away heat and toxic materials, relieving spasm and calming the nerves.

3. Cooling blood and detoxicating: This syndrome is more common in fever, which causes blood to flow with blood. Symptoms are: intense body heat, irritability, even delirium, purple rash or bloody stool, and deep red tongue. This product can be used as the first choice for clearing heat, cooling blood, detoxifying and removing spots. "Continued Annals of Materia Medica": "Removing blood stasis and generating sores, generating new blood, reducing internal heat, quenching thirst and relieving annoyance."

4. Removing blood and detoxicating: those who use carbuncle, swelling, sores and poison are full of blood, heat and poison, which can be caused by exogenous evil and six evils, or excessive food paste, internal depression, damp heat and fire poison, resulting in accumulation of toxic evil, disharmony between camp and health, and stagnation of qi and blood in meridians. Symptoms; Cold and hot body, local swelling and pain in carbuncle, thirst for cold drinks, Huang Chi in urine, constipation, thick yellow purulent blood after ulceration, red tongue with yellow coating and rapid pulse. You can choose this product to clear heat, cool blood and detoxify.

5. Application of syndrome differentiation: Antelope horn and concha Haliotidis are both intermediate drugs, which can calm the liver and suppress yang, calm the alarm and calm the wind, and improve eyesight. Concha Haliotidis is not as good as antelope horn in purging liver fire, but it can tonify liver yin, clear lung heat and treat bone steaming fatigue. Antelope horn can purge liver fire, clear heart and lung, promote blood circulation and detoxify, and can treat heat toxin, blood stasis, macula and carbuncle. The function of antelope horn:

1, effect on central nervous system: intraperitoneal injection of ethanol extract and injection of antelope horn can reduce spontaneous activity of mice. Its skin extract can reduce the chemotaxis of mice and shorten the induction period of barbiturate and ether anesthesia. The sensitivity to pentylenetetrazol, strychnine and electric shock decreased significantly, but it did not cause muscle relaxation. The decoction can reduce the convulsion rate of toads and mice caused by caffeine and improve the recovery rate, but it is ineffective for convulsion caused by strychnine.

2. Antipyretic effect: antelope horn decoction was given to rabbits with artificial fever at 48 ml/kg. After 2 hours of administration, the body temperature dropped and gradually returned to normal after 6 hours.

3. Effect on circulatory system: The decoction of this product is 2ml/kg for intravenous injection, which can reduce the blood pressure of anesthetized cats. Small dose of water decoction or alcohol extract can strengthen the contraction of isolated toad heart, medium dose can cause cardiac conduction block, large dose can cause heart rate to slow down, reduce the amplitude, and finally the heart stops beating.

4. Others: The extract of antelope horn skin can increase the tolerance of mice to hypoxia and has analgesic effect.

5. Toxicity: Mice were given 2g/kg 10% antelope horn soup for 7 days, except for slowly gaining weight. However, there was no significant change in diet, defecation and free activities.