Rupture of a cyst is a good thing. After the rupture of the cyst on the surface of the body, the transparent and clear liquid inside will flow out to the tissue gap, thus it can be absorbed by itself through the body and will not produce much inflammatory reaction to the local soft tissue. If you want to promote its absorption, you can generally use hot compresses, you can use hot towels or warm water bags to apply hot compresses for 20-30 minutes each time, you can apply it twice a day, which can promote local blood circulation and absorption, and it can be absorbed basically in 2-3 days. In addition, physical therapy methods, such as infrared radiation, microwave therapy or ultrashort wave therapy, can also promote the absorption of the fluid inside. However, after the cyst is broken, although the fluid has been drained out and the cyst has shrunk, it may recur because the envelope inside still exists in the body. Usually the fluid inside is produced through the envelope, so the cyst may gradually increase in size even after a period of time.