Disease factors such as Helicobacter pylori infection, chronic sinusitis, as well as other systemic diseases, and normal early pregnancy can cause early dry heaving, as follows: 1. Helicobacter pylori infection: can cause chronic gastritis, peptic ulcer and functional dyspepsia, will be in the morning on an empty stomach in the state of nausea and dry heaving phenomenon. 2. Chronic sinusitis: chronic sinusitis patients wake up in the morning, inflammatory secretions will flow through the back of the nose to stimulate the pharynx, which will lead to nausea and dry heaving in the morning, accompanied by pus, nasal congestion and other local symptoms. 3. Systemic diseases: such as diabetic patients with ketosis and uremia, chronic alcoholism and other toxic phenomena will also appear in the morning dry heaving phenomenon. 4. Early pregnancy: women of childbearing age will be in the early stages of pregnancy will be the symptoms of morning sickness, belong to the normal physiological phenomenon of pregnancy. There may be other reasons for morning dry heaving, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.