Laser hair removal does not usually cause bad odor. Fox odor, also known as hyperhidrosis and armpit odor, is considered to be related to heredity, sweat secretion, and microbial infections. Laser hair removal is a common clinical method of hair removal, also called laser hair removal. Through the action of laser, it can make the hair follicle atrophy and necrosis, so that the hair loses the ability to regenerate, and the effect of hair removal can be achieved. Fox odor has a certain family history and can lead to the appearance of foul odor in the armpits. If a parent or grandparent in the family has bad odor and is affected by genetic factors, his or her children may also develop the condition. In most people, symptoms are likely to worsen during puberty. It is recommended that people suffering from bad breath pay attention to personal hygiene, go to the hospital for checkups if necessary, and treat the condition with topical medication or surgery.