Patient: I get sweaty when I go outside in the summer, and it bothers me every summer. Is it certain that there will be complications from having the surgery? Will there definitely be complications from having surgery? Li Xuejun, Department of Cardiothoracic Surgery, Guangdong Second People’s Hospital: According to the symptoms you provided, the diagnosis of hyperhidrosis is clear, and the surgical effect can be done with few postoperative complications. Patient: What kind of examination should be done? Li Xuejun, Department of Cardiothoracic Surgery, Second People’s Hospital of Guangdong Province: There is no need for too many tests to confirm the diagnosis of this disease, but if surgery is needed, preoperative tests are needed to assess the physical status and tolerance of surgery.