The subject of the book is about biochemistry of urine, water and electrolytes, physiological buffers, acidosis and alkalosis, glucose abnormalities, diabetes types, the laboratory tests, vitamins, protein sin plasma, liver and liver lesions and plasma lipids have been discussed at special level. The themes order in this book has led to students of basic sciences, medical sciences and especially paramedic sat undergraduate and postgraduate level using it. In addition, this book has sorted and discussed about various topics through outline and summary. This book is used in postgraduate students of biochemistry, cellular and molecular, microbiology and even PhD students and other students of biology and medicine. I forecast a large circulation for this book due to the need of the postgraduate and PHD students. This book is much more complete and is written fluently. The required and applicable topics had been raised. It can help noteworthy to the students and professors.