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Ding Xu,* Weigang Lou,* Ming Li, Jianming Chen Department of Orthopedic Trauma Surgery, Ningbo No.6 Hospital, Ningbo, People’s Republic of China*These authors contributed equally to this workCorrespondence: Ding Xu Email xuding831129@126.comAbstract: Due to the traction of the Achilles tendon and osteoporosis, a large number of reports have shown that a series of complications such as skin flap necrosis and failure of internal fixation after surgery often cause nonunion or malunion of calcaneal tuberosity fractures. At the same time, there is no uniform standard for the operative procedure in the treatment of the avulsion fractures of the calcaneal tuberosity. We presented a new technique for the treatment of avulsion fractures of the calcaneal tuberosity, which is fixed with a 180-degree microplate. We aim to provide a simple, safe, and strong internal fixation technique for avulsion fractures of the calcaneal tuberosity as one of the treatment options.Keywords: 180-degree annular internal fixation, avulsion fractures of the calcaneal tuberosity, new technique