Implementing Good Manufacturing Practices (GMP) was needed for Catfish product processing at Poklahsar Bankid Sejahtera to achieve food safety standards and produce good quality products. Moreover, Poklahsar Bankid Sejahtera needs convenience in marketing its products through the online marketing strategy. This community service activity aimed to improve the quality of catfish-processed products and expand their network marketing through online marketing. The method used in this community service activity was lecturing and accompanying 40 members of Poklahsar Bankid Sejahtera as target audiences. Poklahsar Bankid Sejahtera needs this activity to apply an exemplary manufacturing process. It may increase customer loyalty and reach a more comprehensive customer by doing online marketing. The assessment result by evaluating an audience's understanding of GMP subject is increasing as much as 84,21% since their scores improved from 51,58 on their preassessment to 74,47. Then, the assessment result from the audience's understanding of online marketing increased by 78,95% since their scores improved from 37,37 on their pre-assessment to 77,11. The result of online marketing accompaniment through social media (Tik Tok) experienced a significant increase in sales and reached 600 live viewers on Tik Tok. The results in applying GMP in Poklahsar Bankid Sejahtera was 90.5%, which means they have implemented it well.