Study aim: the effectiveness of mindfulness-based stress reduction program on mental well-being, and quality of life of patients diagnosed with Covid-19 after discharge Design: a randomized clinical trial with a control group A simple random sampling method and a quadruple block will be used for random assignment to the experimental and control groups. The test group will receive the intervention and the control group will receive routine care after discharge from the hospital. The intervention will be performed for 8 weeks. 50 people in each group Settings and conduct: Hamyaran Salamat Arash Clinic for future calls. Participants/Inclusion and exclusion criteria: Age 18-60 years Literacy and ability to communicate verbally Willingness and ability to participate in the sessions Ability to use cyberspace and messengers The ability to performing individual daily activities Intervention groups: Control group: they don't receive the intervention. they receive routines. Intervention group: Intervention group: The intervention includes a mindfulness-based stress reduction program that will be 90 minutes of mindfulness-based treatment in 8 individual sessions over two months (one 90-minute session per week). The written exercises and audio files of each session will be delivered to the participants at the end of that session. The researcher (clinical psychologist) will review the homework of each participant and will review and resolve the problems related to it. The house will be finished. The intervention will take 2 months. Main outcome variables: psychological well being- quality of life