Dizziness, headache, nausea, desire to vomit, and chills are mainly considered to be related to upper respiratory tract infection, heat stroke, encephalitis and meningitis. Patients should go to the hospital promptly in combination with other physical symptoms.1. Upper respiratory tract infection: Due to viral infection and inflammatory stimulation, patients experience dizziness, headache, nausea, vomiting, chills, high fever, etc. Some patients may also have muscle aches, sore throat, nasal congestion, sneezing and other uncomfortable symptoms. At this time, patients can measure body temperature to see if there is a fever condition, this disease commonly used drugs are antipyretic and analgesic drugs, antiviral drugs, etc.; 2, heat stroke: too long in the high temperature and high humidity environment activities can lead to heat storage in the body, which leads to heat stroke, patients can appear dizziness, headache, nausea, vomiting, chills and other symptoms, need to be transferred to a cool place, drink more water, physical cooling, if necessary, seek medical treatment;. 3. Encephalitis and meningitis: After viruses, bacteria or other pathogenic microorganisms enter the body, the secreted toxins can stimulate the patient’s central nervous system and invade the brain parenchyma or soft meninges, which in turn leads to dizziness, headache, nausea, chills and other symptoms. Patients are advised to seek medical attention in a timely manner and actively undergo anti-infection treatment. During the treatment period, patients should pay attention to a light diet and consume more well-digested foods, such as egg custard and rice porridge, to avoid vomiting and diarrhea triggered by an overly greasy diet, which may aggravate the discomfort.