Inclusion Criteria:

• 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.