Astragalus injection can not be taken orally, the use of this product is intramuscular injection or intravenous drip, oral can not achieve its therapeutic effect, and may aggravate the side effects. Astragalus injection is a proprietary Chinese medicine, the main ingredient is astragalus, used for intramuscular injection or intravenous drip, the efficacy of this product is to strengthen the spleen and diuresis, support the positive and dispel the evil (to support the positive qi in the body and get rid of the evil qi in the body), nourish the heart and open the veins, and benefit the qi and nourish the vital energy. It is mainly used for the treatment of cardiac insufficiency and hepatitis with spleen deficiency and dampness, viral myocarditis with heart qi deficiency and blood stasis. Adverse reactions of Astragalus injection include allergic reaction, cough, dyspnea, nausea, vomiting, palpitation, chest tightness, headache, skin rash. Contraindications are prohibited for those who are allergic to it, those who have heat symptoms, food stagnation (food indigestion and accumulation in the stomach), yin deficiency and hyperactivity of yang, stagnation of qi and dampness obstruction. Attention to prohibit the use of drugs beyond the functional main treatment, in strict accordance with the function of the drug instructions. If you need to use Astragalus injection, you should apply it after the professional doctor knows after the identification of the evidence, do not use on your own to avoid causing adverse consequences.