If the meridians become more itchy the more you knock, it may be that the qi rises faster than the blood or the knocking is improper, as follows: 1. qi rises faster than the blood: it may be that knocking on the meridians leads to accelerated blood circulation and elevated qi and blood, but the qi rises faster than the blood, so itching occurs. 2. improper knocking: it may be that improper knocking leads to epidermal damage, the meridians are located on the surface of the skin and are called Sunluo, if the Sunluo is improperly stimulated, it can cause meridian stasis obstruction or some kind of blood stasis reaction, these phenomena may lead to qi deficiency and obstruction, and qi deficiency and obstruction will also cause a certain degree of itching and even cause pain. If this phenomenon occurs, the original improper operation needs to be stopped and regular treatment needs to be given in a hospital.