Beijing Zero, i.e., Cotrimoxazole Aminopteridine Tablets, has side effects mainly in nausea, nasal congestion, head swelling and fatigue, so it should be used under doctor’s guidance. Compound Risperdal Aminopterin Tablets is a compound preparation, in which hydrochlorothiazide and aminopterin play a role in lowering blood pressure through diuretic effect, which reduces blood volume and circulating blood volume. And dihydralazine sulfate and rifampicin can dilate small arteries, inhibit norepinephrine can achieve the purpose of lowering blood pressure. Side effects such as head swelling, fatigue, nasal congestion, nausea and drowsiness may occur during administration. Most of them can disappear after reducing the dosage or stopping the drug. During the use of Fosfon Lipiodol Aminopterin Tablet, you should pay attention to a light diet, avoid exertion, and abstain from smoking and alcohol. Severe depression, active ulcers, people with severe renal dysfunction, and people who are allergic to the ingredients of this product are prohibited from using it.