Mucoepidermoid carcinoma of major salivary gland. The main purpose of this article is to report a case of Mucoepidermoid carcinoma in 50 years old male who presented as painless firm swelling with over ulceration of left parotid region involving area below left ear lobule. The lesion was examined preoperatively. Excisional biopsy was carried out from superficial lobe of parotid with special focus on facial nerve. Post–operative recovery was uneventful with no defect of facial nerve function. HPE report confirmed that tumour was Mucoepidermoid carcinoma of parotid gland.