MSME area adds to business age at a low capital expense contrasted with enormous businesses. It helps in the sustainable industrialization of metropolitan and country zones, decreases provincial irregularity, and guarantees evenhanded conveyance of pay and abundance. This examination paper talks about the different issues of financing for miniature, little, and medium undertakings during and post COVID-19. Through the writing survey, plainly money is a basic device for the development and improvement of SMEs. The challenges of sustainable MSMEs are money, policies, environmental regulation, supply chain, etc., but during and post COVID-19, problems and challenges are tackling financial issues of companies, restart supply chain management, new startups, etc. Although government endeavors have been made for the smooth progression of credit to MSMEs areas, MSMEs require more research. Hence, an attempt is made to prioritize challenges of MSMEs during and post COVID-19.