Objective To study the causes and solutions of eight-ingredient porridge product canned packaging deformation. Methods First, an internet-based questionnaire was used to quiz 216 consumers about eight-ingredient porridge packaging. Second, a sampling investigation was conducted for seven brands of canned eight-ingredient porridge packaging by visiting four large supermarkets. Lastly, follow-up research of D brand eight-ingredient porridge was performed from production to sales. Results Dent problem in eight-ingredient porridge canned packaging was serious, which affected the consumers' perception and purchase of eight-ingredient porridge. Dents in canned packages of eight-ingredient porridge occurred in every link of production and sales, which increased with the increase of transport links. Conclusion The eight-ingredient porridge canned packaging deformation mainly appeared in the filling, capping, sterilization, cooling process and handling procedure. The situation might be improved by integrated management of each link.