Patient: Description (time of onset, main symptoms, hospital visited, etc.): Summer armpit sweating is very strong. Do not exercise to stay a while armpit corner wet. In winter, there are also armpit corners are yellow ah. There is a smell. Four or five years, sometimes there is pain in the armpit. The actual botulinum toxin A local multi-point injection can effectively inhibit the secretion of sweat glands, thus eliminating the odor, the treatment of persistent hyperhidrosis can also play a very obvious role, and less invasive, fast recovery.