Modern food testing laboratories involve many disciplines such as food chemistry, physics, microbiology, molecular biology and food sensory evaluation. Functionally, it involves complex technologies such as water supply, drainage, ventilation, exhaust, strong electricity, weak electricity, air conditioning, fire fighting, waste gas and liquid treatment, centralized gas supply, etc. At the same time, it also takes into account many factors such as environmental protection, safety and sustainable development, so it is a complex systematic project.