The main contents of this book include: my country's rural water supply development status and scientific and technological needs; Rural safe water supply technology research progress; Rural safe water supply technology new challenges and scientific and technological support; Water finding and water intake engineering technology in poor water areas; Poor quality groundwater treatment technology and equipment; Micro-polluted water purification technology and devices; Rainwater safe storage and utilization technology and devices; Rural drinking water safety disinfection technology and equipment; Rural water supply water quality testing technology and equipment; Rural water supply pipeline network optimization design and standardization, information integration technology research; Rural drinking water source protection and domestic drainage treatment technology; Rural safe water supply technology model.