Hip joint effusion is mostly seen in hip osteoarthritis, infectious arthritis, post-traumatic injury and gout. Under the premise of bed rest and reducing the activities of the affected hip, the following types of therapeutic drugs are available: 1. Antipyretic and analgesic drugs, that is, non-steroidal anti-inflammatory drugs, including ibuprofen and fenbendazole, can reduce joint inflammation and reduce exudation, such drugs mostly have gastrointestinal irritation symptoms and are recommended to be taken after meals for a short period of time. 2. glucocorticoids, which can be taken orally or injected into the joint cavity, can effectively reduce inflammatory exudation, but long-term or large amounts of application can easily lead to femoral head necrosis. 3. antibiotics, which can be used for the treatment of infected hip joint effusion. 4. allopurinol, which can be used for the treatment of gouty hip joint effusion. It is suitable for the treatment of gouty hip effusion.