Generally, the causes of proteinuria in pregnant women should be clarified before giving targeted treatment, as follows: 1, proteinuria in mid-pregnancy is often caused by hyperemesis, mainly oral antihypertensive drug therapy, commonly used drugs such as nifedipine and labetalol; 2, if proteinuria occurs in early pregnancy, often related to kidney disease, like nephritis, nephrotic syndrome, etc., you can choose to protect the kidneys and Reduce urine protein drug treatment. Patients can apply hormones and immune preparations when necessary, such as immune preparations can choose hydroxychloroquine and other drugs under the guidance of doctors, which have little effect on the fetus. In the process of treatment, pay attention to monitoring changes in renal function, blood pressure, urine protein quantification and other indicators, and adjust the treatment plan according to the relevant test results. If the condition deteriorates, terminate the pregnancy as soon as possible if necessary.