There are two kinds of sweat glands, one is small, distributed throughout the body, the main function is sweating, regulating body temperature; the other is a larger gland, called the sweat gland (top plasma gland), which is distributed in the armpits, pubic and other special areas, and the armpits are the most. The slurry secreted by the sweat glands (parietal glands) is originally a non-odorous liquid, but when the slurry stays in the armpits and is decomposed by bacteria, it becomes a smelly liquid, commonly known as fox odor. Patients with sweaty armpits are prone to bacterial growth, and the smell is particularly strong, causing great distress in life. The basic principle of treatment is to maintain local cleanliness and remove secretions to reduce bacterial growth; local use of antiperspirant aromatherapy, regular scrubbing and medication can temporarily relieve fox odor. For permanent removal of odor, surgical treatment is required. The traditional surgical treatment method is to remove the sweat glands (parietal glands) from the armpits, making one or two incisions of nearly 10 centimeters on each side of the armpits, directly removing the sweat glands and closing the wounds. However, this method has the disadvantage of large wounds, obvious scars, and long recovery time. In recent years, more than ninety-five percent of the patients treated with thoracoscopic sympathetic nerve surgery have significantly reduced or stopped sweating in the armpits, which has significantly improved the odor in the past.