Sweaty hands and feet dizziness, may be related to overwork, may also be due to autonomic dysfunction, hypoglycemic reaction and other reasons. 1. Overwork: If you have been engaged in heavy physical labor for a long time in the near future, or if you have to work late at night for a long period of time to engage in frequent mental labor, resulting in the brain and the body are in an overloaded, overworked state, it may cause sweaty hands and feet, dizziness and swelling. 2. Autonomic dysfunction: this disease is a functional disease, usually caused by long-term mental stress, emotional anxiety, or long-term psychological trauma, which can lead to dysregulation of the autonomic nervous system, which may cause sweaty hands and feet, dizziness and swelling of the brain, and may also be accompanied by panic, headache and other symptoms. 3. Hypoglycemic reaction: when the body has a hypoglycemic reaction, the organs and tissues of the body can not get enough energy supply, resulting in insufficient blood supply and oxygen supply to the brain, which may cause sweaty hands and feet, dizziness and brain swelling, and may be accompanied by panic, weakness and other manifestations. Sweaty hands and feet, dizziness and swelling, may also be caused by other reasons, if the symptoms are serious, should be as early as possible to consult a doctor, diagnose the cause of the cause, by the doctor’s guidance for treatment.