There are many business opportunities in leech sales, and leeches are widely used now. At present, the market share of traditional Chinese medicine in China market is gradually increasing. At the same time, leeches can be used as raw materials for health care drugs because of their advantages in quality and effect.
Historically, it was mainly natural fishing. Due to the abuse of pesticides and fertilizers and the environmental pollution caused by industrial and agricultural "three wastes" in recent years, the wild natural resources have decreased sharply. With the further development of medicinal value of leech, its market demand potential is huge.
It is found in lakes, ponds and paddy fields in most parts of China. Mainly produced in Weishan, Dongping, Nanyang Lake and other lakes in Shandong Province, Weishan Lake has the largest output, which is not only supplied to this province, but also sold to Northeast China, Hebei, Shanxi and other places. Some products produced in the suburbs of Suzhou and Wuxian in Jiangsu are also exported. In addition, Zhejiang, Anhui, Hunan, Hubei, Sichuan, Shaanxi, Hebei, Liaoning, Jilin, Heilongjiang and other places also have production and sales.
Leech, commonly known as leech, is recorded in Shennong Herbal Classic and has high medicinal value. It grows and breeds in inland freshwater areas and is a traditional special medicinal aquatic animal in China. Its dried product can be used as traditional Chinese medicine after soaking, and has the effects of treating apoplexy, hypertension, blood stasis, amenorrhea and traumatic injury. In recent years, leech preparation has been found to have special effects in preventing and treating cardiovascular and cerebrovascular diseases and anticancer.