Oral cavity harbours many astounding components. Of this, saliva an important component for speech, taste and digestion is secreted by major and minor glands. A circadian rhythm of almost 1500 ml of saliva is secreted. Salivary gland tumours are rare, complex and heterogenous. Knowing the histogenesis plays a vital role in understanding the lesions. This book makes a concise presentation of the lesions of salivary gland. The idiosyncrasy of this text book is “Known Something”. The undergraduate students can have the content in a nutshell for easy revision.