Taking Tongxinluo can show general allergic symptoms, such as skin flushing, itching, palpitations (rapid heartbeat, often accompanied by panic), rash, breathing difficulties, and in severe cases, shock or death. However, the possibility of allergy is small when taking Tongxinluo, and some patients may experience stomach discomfort after taking the drug. The main ingredients of Tongxinluo are ginseng, leeches, scorpion, red peony, cicadas, turtle shells, etc. It has the efficacy of benefiting qi and activating blood (replenishing qi and blood to make the body full of qi and blood and blood veins smooth), and clearing the channels to relieve pain (dredging the meridians and collaterals to relieve pain). Clinically, it is mainly used for angina pectoris of coronary heart disease, which belongs to cardiac qi deficiency, blood stasis and collateral obstruction, and can also be used for qi deficiency and blood stasis and collateral obstruction type stroke disease. Precautions: Bleeding disorders, pregnant women and women during menstruation and yin deficiency and fire exuberance (deficiency of yin and essence in the body and hyperactive fire) type of stroke are prohibited. Those who have stomach upset after taking the medicine are advised to change to take it after meals. It is recommended that patients must use the medication under the guidance of a doctor to standardize the use of medication, do not blindly take medication on their own, so as not to delay or aggravate the condition.