Based on TAM model, we develop a research model on the factors affecting user''s satisfaction and continuance intention of Chinese representative mobile food delivery App, Mei tuan Wai mai, users. We explored three groups'' factors such as app''s quality factors (information quality, delivery service quality), user''s factors (perceived enjoyment, perceived value) and negative factors (perceived risk, privacy concern). Perceived usefulness and perceived easiness are selected as mediating variables to prove the potential relationships between affecting factors, user''s satisfaction and continuance intention. We did online questionnaire survey that 380 Mei tuan Wai mai App users responded. The results of this research showed that information quality, perceived enjoyment, perceived value have positive impact on perceived usefulness and perceived easiness. Perceived risk has negative impact on perceived usefulness. Delivery service quality and privacy concern don''t have statistical significant effect on perceived usefulness and perceived easiness. Perceived usefulness and perceived easiness have great effects on user''s satisfaction meanwhile perceived easiness positive impact on perceived usefulness. Also, user''s satisfaction has a great effect on continuance intention.