The main testing items for dry syndrome include ophthalmologic examination, oral examination, rheumatologic examination, etc. 1. Ophthalmologic examination: mainly includes Schimer’s test, tear film rupture time and eye coloring. 2. Ophthalmologic examination: mainly includes lip gland biopsy, parotid angiography, salivary flow rate, salivary gland radionuclide scanning, etc. 3. Rheumatology examination: patients with dry syndrome may be positive for antinuclear antibody, antibody SSA, SSB, so it is necessary to test the antibody of rheumatology specific calibration. In addition, because dry syndrome is a chronic systemic autoimmune disease, it is generally necessary to complete a variety of laboratory tests, and may also need to do blood routine, blood sedimentation, C-reactive protein, liver and kidney function tests, etc., in order to clarify whether there is target organ damage in dry syndrome, such as renal tubular acidosis, interstitial lung lesions. It is recommended that patients with dry syndrome consult the rheumatology and immunology department in a timely manner, and follow the doctor’s instructions to carry out relevant examinations and appropriate treatment.