If it is clear that nausea and vomiting are not caused by pregnancy, they may be caused by gastrointestinal diseases, hepatobiliary diseases, pharyngitis, psychological factors, etc. 1, gastrointestinal diseases: the most common factors, such as chronic gastritis, peptic ulcer, reflux esophagitis, bile reflux gastritis and other diseases, may appear nausea, regurgitation symptoms, can be done through gastroscopy to make a clear diagnosis, and for the emergence of disease 2, liver and gallbladder diseases: such as chronic hepatitis, cholecystitis, gallbladder stones or cirrhosis, liver cancer and other diseases may appear nausea, regurgitation symptoms, it is recommended to do upper abdominal CT or abdominal ultrasound to make a clear diagnosis; 3, pharyngitis: mainly manifested as frequent irritating dry cough in the morning, and accompanied by nausea, dry vomiting and other symptoms, need to promptly seek medical advice. Can use furacilin solution gargle under the guidance of a professional doctor, can also use cetiolide tablets, mint throat tablets and other tablets, if necessary, can also choose pharyngeal laser, radiofrequency therapy treatment; 4, psycho-psychological factors: psychological stress is relatively large, or anxiety, depression and other adverse mental symptoms can be transformed into somatization symptoms, there will be nausea, vomiting and other performance. You can find a professional doctor, oral medication to regulate the nerves and anti-anxiety drugs for treatment, such as glutamate, vitamin B1 and tranquilizing drugs for the brain. And relax, reduce the psychological pressure, diet should be light, and eat less stimulating food.