BACKGROUND Esophageal invasion in hypopharyngeal cancer is an uncommon lesion and has a poor prognosis. Total pharyngo-laryngo-esophagectomy is the most effective treatment option. Reconstruction of the gastrointestinal tract in the same period of surgery is required. There are many different options, such as pedicle flap, gastric pull-up, pedicled transverse colon flaps, and free flap. In cases where only cervical esophagectomy is required, with benefits for patients, jejunal free flap is the first choice to reconstruct the esophagus. However, the extensive surgical resection requires interdisciplinary collaboration among surgical specialities, which is not always available. CASE REPORT A 52-year-old male patient came to us with a chief concern of dysphagia, which first appeared 3 months ago. Rigid fiberoptic and direct laryngoscopes indirectly observed the tumor at the posterior wall; it had passed the esophagus opening and infiltrated to the cervical esophagus, with the rightmost part spread into the right pyriform sinus. Histopathology studies of the tumor showed a squamous cell carcinoma. The patient underwent total pharyngo-laryngo-cervico-esophagectomy, reconstructed with a jejunal free flap, and adjuvant radiation therapy after surgery. At follow-up 1 year after surgery, the patient was significantly recovery with no signs of tumor recurrence, no difficulties of oral intake, and his speech was restored by electrolarynx. CONCLUSIONS We reported the case of a patient with hypopharyngeal cancer who underwent total pharyngo-laryngo-cervico-esophagectomy and esophagus reconstruction using a jejunal free flap, performed for the first time in Vietnam. As expected, with good oncological and functional results, the degree of invasiveness and sequelae of the surgery can be well tolerated.