(1) Regulating Qi and Promoting Blood Circulation

Scraping can make local skin hyperemia, capillary dilation and blood circulation accelerate.

(2) promoting blood circulation and removing blood stasis

Scraping can adjust the contraction and relaxation of muscles, so that the pressure between tissues can be adjusted, thus promoting blood circulation and increasing tissue blood flow, thus playing the role of promoting blood circulation and removing blood stasis.

(3) Relaxing tendons and dredging collaterals

Scraping therapy can enhance local blood circulation and raise the temperature of local tissues. Under the direct stimulation of the scraping board, the pain threshold of local tissues can be increased, and the tense or spasmodic muscles can be stretched, thus alleviating or eliminating the pain.

(4) Drug rehabilitation and health care

Scraping can strengthen the function of swallowing harmful substances and the ability of transportation and excretion, accelerate the elimination of wastes and toxins in the body, nourish tissues and cells, thus purifying blood, increasing systemic resistance, alleviating illness and promoting rehabilitation.

2, the disadvantages of scraping

(1) will cause severe wounds and massive bleeding, which will lead to aggravated fractures and acute lumbar sprain.

(2) Pregnant women are prone to miscarriage when scraping, so scraping is absolutely forbidden for pregnant women, whether it is abdomen or waist.

(3) There are many macules, papules or dermatoses on the skin surface, and scraping is easy to cause skin infection.

(4) Scraping is easy to induce the aggravation of related diseases, such as patients with cerebral thrombosis and myocardial infarction, which will make the disease life-threatening.

(5) For people with bleeding tendency, scraping will cause severe subcutaneous hematoma, especially for patients with leukemia, aplastic anemia and obvious complications in the later stage of diabetes.