Uremic acid granules specific effect time is affected by individualized factors, can not be generalized. Uremic Clearing Granules have the effect of promoting blood circulation and eliminating blood stasis (promoting blood circulation and eliminating blood stasis in the body), which is suitable for spleen and kidney deficiencies, internal stagnation of dampness, stagnation of blood stasis caused by lack of energy and weakness, lumbar and knee soreness, nausea and vomiting, swelling of limbs, and yellowish color (yellowish color with no luster). Generally, it is more effective when used symptomatically, and the specific time of effect varies from person to person. The adverse reactions and contraindications of taking urethane granules are not clear. Uremic acid granules are recommended to be used under medical supervision, not self-medication.