The common symptoms of dry syndrome are as follows: 1. oral symptoms: 1. dry mouth, in serious cases, it is necessary to drink water frequently when speaking, and it is necessary to send down with water or liquid food when entering solid food for the treatment of Parkinson’s syndrome, and sometimes it is necessary to get up to drink water at night; 2. rampant dental caries, which is manifested by the gradual blackening of teeth, followed by the loss of small pieces, and finally only the residual roots are left; 3. adult mumps, intermittent alternating painful swelling of parotid glands, involving unilateral or bilateral. Most of them can subside on their own in about 10 days, but sometimes the enlargement persists. Some of them are accompanied by fever. 4. Painful tongue, dry and cracked tongue, atrophied and smooth tongue papillae; 5. Ulceration or secondary infection of oral mucosa. Second, the skin: 1, allergic purpura-like rash: mostly seen in the lower extremities, as rice-grain-sized red papules with clear borders, pressure does not fade, appear in batches. The duration of each batch is about 10 days, can fade on its own and left with brown pigmentation; 2, erythema nodosum is less common; 3, Raynaud’s phenomenon is not serious, does not cause finger ulcers or the corresponding tissue atrophy. Eye symptoms: fear of sunlight, itching, pain, dry eyes, no tears, blurred vision, red eyes, ulcers in the eyes, some patients appear protruding eyes, etc. Fourth, other symptoms: when laboratory tests are performed, there are eosinophilia, decreased white blood cells, anemia, thrombocytopenia, accelerated blood sedimentation, increased immunoglobulin IgG IgM, increased circulating immune complexes, positive anti-nuclear antibody, positive anti-SSA and anti-SSB, positive rheumatoid factor, etc. The above has introduced the symptoms of dry syndrome to you, I believe you should understand it, remind you, if the symptoms of dry syndrome appear, you must raise your vigilance, and choose professional and regular medical hospital for examination and treatment in time, so as not to delay the disease and increase the difficulty of treatment.