METHODOLOGY: Find out customers 'opinions in Ho Chi Minh City about Cordyceps products, then find out the factors that affect customers' behavior to improve the product better and bring the product widely to the market PRIMARY DATA: We interviewed 20 people from shopping malls, schools, and places where cordyceps water was sold, Besides, we also a survey to collect data on the level of identification cordyceps and consumer behavior *Method used: Interview and survey *Interview: interviewed 20 people in shopping malls in Ho Chi Minh City ( Big C, Open University, Giga Mall, ) *Survey: 50 surveys via social networks such as Facebook, Zalo,… *Subjects of interview: People around 20 years of age or all middle-aged clients about 30 years old and older who have jobs and are living and working in Ho Chi Minh City SECONDARY DATA: We will collect data on the Internet about specific information such as: - Names of famous brands of cordyceps sold in Vietnam? - What types of products are sold at each Cordyceps brand? - The price of each product of each brand of Cordyceps? - Distribution channel of each brand of Cordyceps? - Sales method of each brand of Cordyceps? So that we can understand and understand more about Cordyceps market RESULTS: ( Bê phần khảo sát đồ thị vô)