Weakness after ascites evacuation is mainly due to albumin loss and consumptive diseases, which need to be adjusted to personal diet and nutritional supplementation, anti-tumor treatment, and so on. There is a large amount of albumin in ascites, and after the ascites is pumped out, the body will have a lack of albumin, which will cause weakness, limb weakness and so on. The first thing you need to do is to adjust the patient’s diet, try to eat more milk, chicken and other highly nutritious food, and also need to be injected with nutrient solution and albumin through the intravenous channel, to replenish the body with the required nutrients and energy, which will help to alleviate the body’s fatigue. If the ascites is caused by malignant tumors, surgery, radiotherapy and chemotherapy should be carried out for the primary tumors to control the disease and reduce the energy effect of the body, which will help to improve the fatigue to a certain extent.