• Patients over 18 years old;

• Complain about xerostomia after cervical irradiation in the context of ENT cancer;

• End of radiotherapy\> 3 months

• Covered by a national healthcare insurance

• Consent form signed.

⁃ Non inclusion Criteria:

• Pregnant or breastfeeding women;

• Local counterindication to auriculotherapy;

• With anticoagulant treatment;

• History or existing of hemophilia;

• Valvular prosthesis;

• Ear's pavilion infection;

• Treatment by auriculotherapy or acupuncture in this indication in the previous 12 months;

• Having started in the 48 hours preceding the first auriculotherapy session, any new management of xerostomia and likely to interfere with the study (specific medication and/or complementary therapeutic management);

• Difficulty to comply with the treatment, questionnaires or study protocol;

• Being deprived of liberty or under guardianship.