China is one of the world's largest production bases of home appliances. In 2019

the export scale of China's home appliances industry reached 303.4 billion yuan

up 0.9% year on year. In 2020

COVID-19 is ravaging the world

and the extended time spent at home abroad has boosted the demand for home appliances in overseas markets. In 2020

the export volume of China's home appliance industry reached 338.997 million units

up 14.2% year on year; Exports reached $66.128 billion

up 23.5% year on year. The latest data shows that the export volume of China's home appliance industry reached 1204.8 million units from January to April 2021

up 45.9% year on year; Exports reached 31.064 billion US dollars

up 61.9 percent year on year. Under the background of "accelerating the formation of a new development pattern dominated by domestic large cycle and mutually promoted by domestic and foreign double cycles"

the household appliance industry should fully explore the stock market

pay attention to the integration of emerging digital technology and industry

guide the high-quality development of the industry

and continue to stabilize the international competitiveness. How to improve the international competitiveness of home appliance industry

its profitability analysis is particularly important. Profitability refers to the ability of a company to earn profits in a certain period of time. Through the analysis of profitability

we can find the problems in operation and management. Based on DuPont analysis system

this paper studies the relevant profitability indicators of Haier Smart Home

a leading enterprise in the home appliance industry from 2016 to 2020

and points out the problems existing in its profitability

aims to put forward countermeasures to improve its profitability

and expects to provide solutions to other companies in the same industry.