1. Under the impression of the sialolithiasis in right Wharton's duct, the patient was admitted for the sialolithotomy.

2. Method:Summarize the characters of treatment and diagnose of sialolithiasis by reviewing the literatures and report the clinical symptoms and therapy procedure of the case.

3. Sialolithiasis is most common in the submandibular gland, accounting for approximately 80% of cases. The majority of calculi are radio-opaque, vary in size, and can be single or multiple.

4. Sublingual gland sialolithiasis is rare and may be misdiagnosed as submandibular gland sialolithiasis, which is more common.

5. Sublingual gland sialolithiasis is rare and may be misdiagnosed as gland sialolithiasis, which is more common.

6. Objective:To recognize sialolithiasis of an accessory parotid gland by discussing its clinical symptoms and characters of diagnose and treatment.

7. The sialolithiasis is a common disease, but it is rare that a foreign body in right Wharton's duct and complicated with the sialolithiasis . Such as this case.

8. Result:Sialolithiasis of an accessory parotid gland is a rare disease with various clinic symptoms that is differed from the typical symptoms of sialolithiasis.

9. Objective To evaluate the value of high-frequency ultrasound in diagnosis of submandibular gland with sialolithiasis.