This research article aims to 1) Study supply chain management of snack online business in Thailand 2) Compare personal factors affecting snack online business supply chain in Thailand and 3) To study the strategy of supply chain management of snack food business e-commerce system in Thailand. A mixed study of quantitative and qualitative research. Quantitative research using questionnaires for 400 entrepreneurs. Set an example by opening Yamane's prefabricated table. and qualitative research using an interview form for entrepreneurs. Set a specific sample of 10 people. The statistics used were mean, standard deviation. Test the hypothesis with a t-test. and one-way analysis of variance. The results of the research revealed that 1) The overall management of online snack business in Thailand was at a high level. 2) Comparison of personal factors that affect the snack online business supply chain in Thailand, it was found that business operators with sex, age, education level and different monthly income There was no significant difference in the snack online business supply chain management at the .05 level. 3) The snack online business supply chain management approach in Thailand was as follows: 1) Anticipating customer needs There should be development in the area of ​​product inspection that the market needs mainly. 2) Customer service. News and information should be updated. and publicize information that is clear and complete. 3) Inventory Management There should be preparation of inventory appropriately. 4) Purchasing. Technology should be used for convenience and speed. 5) Warehouse management and storage. There should be a development in terms of transportation distance.