At least one third of a person’s life is spent in sleep. Sleep is an extremely important physiological function to maintain human life, just as water and food are essential to people. Insomnia is the enemy of life and health, and must be given sufficient attention. Many people mistakenly believe that insomnia will not affect the health of people and delay treatment; do not know that long-term insomnia brain function will be disrupted, causing a variety of harm to the body, insomnia seriously affects physical and mental health. The main manifestations are: 1, the body’s immunity is reduced, the resistance to various diseases is weakened; 2, long-term insomnia can lead to hypertension, heart disease, hyperlipidemia, senile dementia; 3, memory loss, headache. Insomnia often leads to daytime mental discomfort, dizziness, tinnitus, resulting in forgetfulness, neurasthenia, etc. 4, affect work, study and life. Insomnia often leads to daytime mental discomfort, low work efficiency, nervousness and irritability, do not get along with the surrounding people, depression, boredom, and serious may also lead to pessimism and misanthropy. 5, plant nerve dysfunction, long-term insomnia causes inattention, reduced thinking ability, depression, anxiety, nervousness and other emotions, dysfunction of the cerebral cortex, causing plant nerve disorders, serious cases form psychosis, neurosis, etc. 6, premature aging, shorten life expectancy. Insomnia makes the body resistance to decline, reduce physical quality, accelerate aging, cause a variety of diseases, shorten the life of people. 7, children’s sleep quality decline will directly affect the body’s growth and development. The Chinese Medical Association survey data show that the prevalence of sleep disorders in China reached 42.7%, about 300 million middle-aged people suffer from sleep disorders, sleep disorders as many as 500 million people, of which more than 300 million live in the city. About 50% of adults have experienced poor sleep, and up to 80% of working women are troubled by poor sleep, and sleep and health issues are gaining widespread attention. To raise awareness of the importance of sleep, the Global Sleep and Health Program, sponsored by the International Foundation for Mental Health and Neuroscience, launched a global campaign in 2001 to designate March 21, the first day of spring, as World Sleep Day. “. Insomnia is the most common form of sleep disorder, including difficulty falling asleep, difficulty maintaining sleep, light sleep, frequent nightmares, and early awakening. Medically insomnia can be divided into three categories, one is transient insomnia. It usually lasts for a few days; second is short-term insomnia, which usually lasts for two to three weeks; and third is chronic insomnia, which lasts for more than a month. To treat insomnia, we must first clarify the causes of insomnia: 1, individual physical factors: such as physical diseases, cerebral arteriosclerosis, diabetes, etc.; 2, individual psychological factors: psychological stress reactions, neurosis, mood disorders, etc.; 3, the external environment, hot and cold, noisy sounds, etc. Secondly, medication is also commonly used as a safe and effective method. After clarifying the type and cause of insomnia, then treat the insomnia problem symptomatically. In this way, the treatment of insomnia can be completely and thoroughly and recover early.