Paroxysmal tachycardia is equivalent to palpitation (rapid heartbeat, often accompanied by panic) in Chinese medicine, and if palpitation is caused by qi stagnation and blood stasis (blood stasis due to lack of qi circulation), it can be treated with Compound Danshen Tablets. Compound Danshen Tablet is composed of Salvia miltiorrhiza, Ice Tablet and Panax ginseng, which has the efficacy of activating blood circulation and removing blood stasis (promoting blood circulation and eliminating blood stasis in the body), regulating qi and relieving pain (relieving pain by unblocking qi), and it can treat chest paralysis (stuffy and painful in the chest) caused by stagnation of blood circulation and stagnation of qi and blood. Palpitation needs to be given according to different types of evidence, such as heart deficiency and timidity evidence can be used to tranquilize the spirit and fix the mind, etc.; heart blood deficiency (insufficient blood in the heart) evidence can be used to replenish the heart qi oral liquid, etc.; yin deficiency and fire (deficiency of yin and essence in the body, resulting in hyperactive deficiency and fire) evidence can be used to replenish the heart with Heavenly King’s Heart Pill, etc.; cardiac and yang deficiency can be used to use Xinbao Pill, Xinshu Capsules, etc. When the patient appears palpitations, should promptly go to the hospital, after the professional doctor identification and treatment, give the appropriate medication, the above drugs need to be taken under the guidance of the doctor, do not use on their own, in order to avoid adverse effects.