Bevacizumab side effects according to different types of different ways to alleviate, its common side effects are hypertension, hemoptysis, proteinuria, etc., can be alleviated by taking antihypertensive drugs, suspension of bevacizumab and other methods. 1. Hypertension: it is a common side effect of this drug, if the patient’s blood pressure is higher than 160/100mmHg, it is necessary to suspend bevacizumab, give nifedipine, captopril and other antihypertensive drugs, blood pressure can be resumed when the blood pressure recovers to below 150/99mmHg, if hypertension continues to be treated for 1 month or more and still does not get better, it is necessary to permanently discontinue the drug to help alleviate the problem. 2. Hemoptysis: it is a common side effect, and patients with squamous lung cancer need to pay special attention to it. Patients with hemoptysis are recommended to suspend bevacizumab treatment to avoid serious bleeding events. 3. Proteinuria: mild proteinuria can be treated with drugs such as captopril, enalapril, etc. If the 24-hour urine protein is greater than or equal to 2g, it is recommended to suspend bevacizumab treatment, and if a large amount of proteinuria occurs, then it is necessary to permanently discontinue the drug to help relieve it. This drug is suitable for metastatic colorectal cancer and advanced, metastatic or recurrent non-small cell lung cancer and many other tumors, it is prohibited for those who are allergic to it, and used with caution in patients with bleeding risk and tendency, so it is recommended that patients apply it under the guidance of specialists, and never apply it on their own. If there is any discomfort, patients should consult a doctor in time.