AIDS is an immunodeficiency disease. Generally speaking, early AIDS patients may show some symptoms in the lymph nodes, respiratory tract, digestive tract and skin. 1. Lymph nodes: Early AIDS patients may have enlarged lymph nodes in the neck and armpits, and in later stages, the lymph nodes of the whole body will be abnormally enlarged. 2. Respiratory tract: Early AIDS patients may have symptoms such as coughing and difficulty in breathing. 3. Digestive tract: Early AIDS patients may have symptoms such as decreased appetite, nausea, vomiting and diarrhea. 4. Skin: Early AIDS patients may have ulcers in the mouth, itchy skin, etc. In the late stage, herpes may appear on the skin and gradually ulcerate all over the body. AIDS patients may also have other symptoms in the early stage, it is recommended that patients seek timely medical care to identify the causes, early detection and early treatment.