A small amount of fluid in the ankle MRI is not uncommon in clinical practice, and the absence of symptoms does not in itself require treatment and is a physiologic condition. It is a physiological condition, but the accompanying pain needs to be treated, mainly by medication, physical therapy and daily conditioning. 1. Under normal circumstances, there will be a small amount of fluid in the joints, mainly play a role in lubricating the joints, which is a physiological condition and does not require treatment. 2. The pain caused by fluid accumulation due to trauma, strenuous exercise, or exposure to cold can be handled appropriately, mainly through the following ways: (1) Medication: patients with obvious pain can choose oral medication, commonly used drugs include ibuprofen, diclofenac sodium, etc. (2) Physiotherapy: Local hot compresses and deep heat therapy are generally available to help blood circulation and promote fluid absorption. (3) Daily management: avoiding wind and cold in the near future and avoiding too strenuous exercise will also help to relieve the corresponding condition. A small amount of fluid in the ankle, in the process of observation, the amount of fluid increases, the surrounding redness and swelling, you need to consult a doctor for observation in time, after diagnosis of the condition under the guidance of the clinician for standardized treatment. The above medications should be used under the guidance of a doctor.