This book is very use full for the screening of the immunomodulatory activity by using various methods.The pharmacological profile and the taxonomical profile of the plant wedelia chinensis is included in this book.The effect of plant extract on the immuno modulation has described in this book. Cyclophospamade induced immunosuppression screening will be understood better by following this book. The mechanism of cyclophospamide induced suppression is explained diagramatically.