An electronic device comprising: a sensor configured to collect sensing information according to a motion of the electronic device; and at least one processor operatively connected with the sensor, wherein the at least one processor is configured to control for: obtaining activity information including at least one of an exercise amount that is calculated based on first sensing information obtained according to execution of a specified workout, and a movement amount that is calculated based on second sensing information obtained according to a daily life, determining an expected value of an activity amount, by which a user works out, during a specific time period by a user based on the activity information, determining a probability of achievement with respect to the activity goal based on the expected value of the activity amount, determining whether the probability of achievement is smaller than a specific magnitude, and providing guide information for achieving an activity goal associated with the user based on at least one of the expected value of the activity amount and the activity information, wherein: if the probability of achievement is smaller than the specific magnitude, propose an activity, of which the intensity is higher than that of an activity that is currently performed, as a recommended activity, and if the probability of achievement is not smaller than the specific magnitude, propose to maintain a current activity pace. a sensor configured to collect sensing information according to a motion of the electronic device; and at least one processor operatively connected with the sensor, wherein the at least one processor is configured to control for: obtaining activity information including at least one of an exercise amount that is calculated based on first sensing information obtained according to execution of a specified workout, and a movement amount that is calculated based on second sensing information obtained according to a daily life, determining an expected value of an activity amount, by which a user works out, during a specific time period by a user based on the activity information, determining a probability of achievement with respect to the activity goal based on the expected value of the activity amount, determining whether the probability of achievement is smaller than a specific magnitude, and providing guide information for achieving an activity goal associated with the user based on at least one of the expected value of the activity amount and the activity information, wherein: if the probability of achievement is smaller than the specific magnitude, propose an activity, of which the intensity is higher than that of an activity that is currently performed, as a recommended activity, and if the probability of achievement is not smaller than the specific magnitude, propose to maintain a current activity pace. obtaining activity information including at least one of an exercise amount that is calculated based on first sensing information obtained according to execution of a specified workout, and a movement amount that is calculated based on second sensing information obtained according to a daily life, determining an expected value of an activity amount, by which a user works out, during a specific time period by a user based on the activity information, determining a probability of achievement with respect to the activity goal based on the expected value of the activity amount, determining whether the probability of achievement is smaller than a specific magnitude, and providing guide information for achieving an activity goal associated with the user based on at least one of the expected value of the activity amount and the activity information, wherein: if the probability of achievement is smaller than the specific magnitude, propose an activity, of which the intensity is higher than that of an activity that is currently performed, as a recommended activity, and if the probability of achievement is not smaller than the specific magnitude, propose to maintain a current activity pace. if the probability of achievement is smaller than the specific magnitude, propose an activity, of which the intensity is higher than that of an activity that is currently performed, as a recommended activity, and if the probability of achievement is not smaller than the specific magnitude, propose to maintain a current activity pace.