First: in line with the entrepreneur's hobbies and interests, or entrepreneurs have long been favorite industry;
Second: suitable for short-term investment in the industry, such as the Internet-related, science and technology-related, asset-light and marketing industry;
Third: technical fields or long-term engaged in the industry;
Fourth: a wide range of customer accumulation or market control of the industry.
Third: middle-aged people have the technical field, or long-term engaged in the industry;
Fourth: have a wide range of customer accumulation or market control of the industry, etc..
The most suitable for middle-aged people to start their own business is still their own field of expertise, middle-aged people entrepreneurial success rate than young people, but once the failure, to bear the responsibility and pressure is also greater, so be careful.