Improper use of Astragalus may cause patients to develop internal heat, aggravate yin deficiency and other symptoms, and some patients who are allergic to Astragalus may develop symptoms such as rash, itching and diarrhea. Elimination of the above adverse effects of Astragalus needs to take the right treatment, such as the emergence of internal heat need to stop the drug and with the use of heat-clearing drugs. Astragalus is a mildly warm drug, overdose, overdose or improper use of identification may cause internal heat symptoms, resulting in dry stools, dry mouth, bitter, sore throat, mouth and tongue sores, etc. The above symptoms should be given according to the cause of the reduction of dosage, discontinuation of the drug, or with other heat-cleansing medicines used together. Patients with yin deficiency may experience dry mouth, night sweating, irritability and other symptoms aggravated by improper use of Astragalus, which can be discontinued according to the needs of the condition or added to nourish yin and clear heat (nourish yin essence, remove heat) drugs to neutralize the medicinal properties. Patients who are allergic to astragalus are not recommended to use it, but can use other qi tonic drugs such as ginseng, red ginseng, Chinese yam, tai zi ginseng and so on. The use of drugs should be under the guidance of a doctor, not self-medication.