The common clinical cause of baldness is androgenetic alopecia, and treatments include systemic medication, topical medication, and also hair transplantation. Androgenetic alopecia has a certain correlation with heredity and is more common in men, and can be aggravated by prolonged mental stress and late nights. There is no particularly effective treatment method at present. Systematic oral drugs include spironolactone (for women) and finasteride (for men); topical drugs can be used with minoxidil liquid; hair transplantation or the use of wigs is also feasible. Baldness is an advanced stage of androgenetic alopecia and should be treated early. In daily life, shampooing diligently at intervals of preferably 2 to 5 days, quitting smoking, moderating alcohol consumption, maintaining mental health, and eating more fruits and vegetables are helpful in preventing hair loss. Baldness may also have other causes, it is recommended to timely visit the hospital to clarify the cause of the disease, under the guidance of the doctor for standardized treatment. The medication should be used in accordance with the doctor’s instructions, do not self-medicate.