The causes of pleural effusion in dialysis patients include infection, tuberculosis, tumor and so on, which can be significantly relieved through active treatment after the causes are clarified. 1. Infection: for pleural effusion caused by inflammation, antibiotics such as ceftriaxone, clindamycin, doxycycline can be taken to control inflammation and reduce the production of effusion. 2. Tuberculosis: for pleural effusion caused by Mycobacterium tuberculosis infection, anti-tuberculosis drugs such as streptomycin, isoniazid, rifampicin can be taken to standardize the treatment. 3. Tumor: for pleural effusion caused by tumor, surgical treatment, radiotherapy and targeted therapy can be chosen to improve the prognosis of the disease according to the nature and severity of the tumor. Due to the individual differences and the diversity of etiology, the drugs need to be used strictly under the guidance of the doctor, and any adverse reactions should consult the doctor in time, and the use of drugs is prohibited for those who are allergic to the drugs. After actively cooperating with doctors to receive treatment, can reduce the production of pleural effusion, improve the prognosis of the disease.