This book is a summary of the maintenance techniques of small home appliances, including microwave ovens, induction cookers, soymilk makers, water dispensers, electric kettles, water heaters, oil fume hoods, shower water heaters, heaters, rice cookers, disinfection cabinets, language repeaters, etc. It provides detailed instructions on the causes, locations and handling methods of common faults, and is an important reference book for maintenance personnel and beginners.