Morel-Lavallée lesions (MLLs) is a kind of degloving injury of the skin and soft tissues by shear force,which is rare in clinical and is easy to get delayed or misdiagnosed. Treatments on Morel-Lavallée lesions are various, while the treatment has difficulties and the incidence of recurrence are problems that cannot be ignored in clinical treatment. The study aims to make a review of different treatments for Morel-Lavallée lesions to make a reference for future clinal diagnosis and treatments on it.