Hip effusion usually refers to an inflammatory reaction in the synovial cavity of the hip joint, resulting in increased secretion of tissue cell fluid in the synovial cavity of the hip joint and resulting in localized pain. Medications can be administered orally or by arthrocentesis. After suffering from hip joint effusion, if the symptoms are mild, it is recommended to take non-steroidal anti-inflammatory drugs for treatment, such as aspirin, which belongs to the salicylic acid class of non-steroidal anti-inflammatory drugs, and is also more commonly used. Diclofenac sodium is also effective in the treatment of this type of disease, which belongs to the phenylacetic acid class of drugs. It should be noted that during the treatment period, the patient should reduce the amount of activity and avoid weight-bearing on the lower limbs. If the symptoms of hip joint effusion are more severe, joint cavity aspiration may be an option. Arthrocentesis can quickly relieve the discomfort by extracting the appropriate amount of fluid. However, joint cavity aspiration must be performed under strict aseptic conditions, and health care workers must wear masks and sterile gloves to avoid secondary infection of the affected area. The extracted joint fluid can be sent to the laboratory to clarify the nature of the fluid in order to guide treatment. The hip joint effusion disease, if found to be timely diagnosis and treatment, after the diagnosis, as soon as possible to carry out the correct treatment, through regular treatment, the patient can recover.