Crataegus pinnatifida Bunge, also known as shanliguo and shanlihong, is a deciduous tree belonging to the genus Crataegus of Rosaceae, with a height of 6 meters.
It is distributed in Shandong, Shaanxi, Shanxi, Henan, Jiangsu, Zhejiang, Liaoning, Jilin, Heilongjiang, Inner Mongolia, Hebei and other places.
The kernel is hard, the flesh is thin, and the taste is slightly sour. Fruit can be eaten raw or used as preserved fruit cake. After drying, it can be used as medicine. It is a unique tree species for both medicine and fruit in China. It has the functions of lowering blood fat, blood pressure, strengthening heart and anti arrhythmia. It is also a good medicine for invigorating the spleen and appetizing the stomach, eliminating food stagnation, promoting blood circulation and resolving phlegm. It has good curative effect on chest diaphragm and spleen fullness, hernia, blood stasis, amenorrhea, etc. Vitexin, a flavonoid in hawthorn, is a drug with strong anticancer effect. Its extract can inhibit the growth, proliferation, invasion and metastasis of cancer cells in vivo.

Efficacy
It can be used to treat meat accumulation, symptoms, phlegm, fullness, acid swallowing, diarrhea, intestinal wind, low back pain, hernia, postpartum occipital pain, endless lochia, stagnation of milk and food in children. Xiaoshi Jianwei, Xingqi Sanyu. It is used for meat stagnation, stomach fullness, diarrhea, abdominal pain, blood stasis, postpartum blood stasis, abdominal pain, hernia pain and hyperlipidemia.
Indications
It is the most suitable food for those who are full and full, especially for those who are not able to eat meat and have pain in the upper abdomen; It is suitable for middle-aged and elderly patients with heart failure, hypertension, coronary heart disease, angina pectoris, hyperlipidemia, paroxysmal tachycardia and various cancers; Suitable for women whose menstruation is overdue or postpartum congestion, abdominal pain, lochia endless food; In addition, it is also suitable for patients with obesity, scurvy (vitamin C deficiency), viral hepatitis, fatty liver, acute and chronic nephritis, taeniasis and intestinal infection.
Related compatibility
1. Cure all food accumulation: four Liang hawthorn, four Liang Atractylodes macrocephala, two liang Shenqu. On for the end, steamed cake pill, Wu Yu big, take 70 pills, white soup(《 Danxi mental method).
2. The rule of eating meat does not need: Hawthorn meat four Liang, boiled food, and drink its juice(《 Simple and simple formula).
3. Treatment of abdominal pain: Hawthorn Decoction(《 Fang Mai Zheng Zong).
4. Treatment of intestinal wind: sour jujube and meat core ash, rice drink adjustment(《 Choose the best prescription.).
5. For the treatment of lumbago and leg pain in the elderly: tangzhuzi, pilose antler (fried), etc. For the end, honey pill Wuzi big, every service 100 pills, two days service(《 Compendium of Materia Medica).
6. Treatment of cold and dampness, abdominal pain, swelling and pain of external kidney: Fennel, persimmon hawthorn. First class is divided into fine powder, each serving one or two money, salt, wine, hollow hot service(《 Choose the best prescription.)
Usage and dosage:Decoction, 9-12g
Collection and processing
Excavate in autumn, remove the fibrous roots, wash, dry until soft, knead repeatedly, air dry until there is no hard core, and dry; or after steaming, knead until translucent, and dry.
Processing method
1. Clean Hawthorn: remove impurities and exfoliated core.
2. Fried Hawthorn: take the net hawthorn, according to the clear fried method (without accessories fried method is called clear fried method.) Fry until dark.
3. Jiaoshanzha: take the net hawthorn, according to the clear fried method (without accessories fried method is called clear fried method.) Stir fry until brown on the surface and yellowish brown on the inside.
Storage
Store in a ventilated and dry place to prevent mildew and moth.

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