Objective To explore the curative effects of recycled anti-reflux esophageal stents on cardiac achalasia.

Objective: To investigate the feasibility and effect of treating achalasia of the cardia by dilating single balloon and double balloon gradually.

Conclusions: the treatment of achalasia of the cardia by means of double balloon dilation is a advantage approach simple to operate with the advantage of a low rate of complication and non-operation.