The efficacy of Amber acts as a heavy tranquilizer (using mineral and shell medicines to stabilize the mind), activates blood circulation and removes blood stasis (promoting blood circulation and eliminating blood stasis in the body), and diuretic and diaphoretic (improving the problem of dribbling and urination, and the problem of urinary volume and inability to pass urine). Contraindication to use is caution for patients with Yin deficiency and internal heat. Amber is a tranquilizer, which is transformed from the resin of pine plant buried underground. It is flat in nature, sweet in taste and belongs to the heart, liver and bladder meridians. It has the effects of tranquilizing the mind (using mineral and shell medicines to stabilize the mind), activating blood circulation and removing blood stasis (promoting blood circulation and eliminating blood stasis in the body), and inducing diuresis and diaphoresis (improving the problem of dribbling in the urine, and the problem of small and inaccessible urine volume). Amber is suitable for patients with restlessness, palpitation (rapid heartbeat, often accompanied by panic), insomnia and epilepsy. It is also used to treat blood stagnation, dysmenorrhea, stabbing pain in the heart and abdomen, and impediment in the abdomen (tangible or intangible lumps in the abdomen with a feeling of distension and pain) because of its ability to activate blood circulation and clear menstruation, dissipating blood stasis and eliminating tumors. Amber should be used with caution in patients with yin deficiency and internal heat. Before taking this Chinese medicine, it should be used under the guidance of a Chinese medicine practitioner who can identify the symptoms of the disease, and should not be purchased on one’s own to avoid delays.