Study aim: The determine of effects of acupressure on intestinal function of patients with acute myocardial infarction Design: Three-group randomized controlled clinical trial Settings and conduct: The SJ6 - LI4 - ST25- SP6 points of both members are determined symmetrically by the researcher's fingers. Acupressure will be performed twice a day (10am and 6pm) from the beginning of the day for three days. Participants/Inclusion and exclusion criteria: Acute myocardial infarction, which is confirmed by a laboratory positive blood troponin level and confirmed by a physician. No more than 12 hours of myocardial infarction No chronic constipation based on RomeIV criteria  Written and verbal consent to participate in the study  Age above 18  Ability to communicate verbally  No known mental illness under treatment Absence of ulcers, organ failure, tenderness and fractures in acupressure points  Lack of simultaneous participation in other intervention studies  no thyroid disease, incurable, neuromuscular, congenital gastrointestinal malformations and renal failure, no gastrointestinal disorders (gastric ulcer, chronic constipation history, fisher, hemorrhoids, prolapse of the rectum, obstruction of the rectum, obstruction) , Biography and physical examination by a physician No dependence or addiction to any drugs Intervention groups: The SJ6 - LI4 - ST25- SP6 points of both members are determined symmetrically by the researcher's fingers. Acupressure will be performed twice daily (10am and 6pm) from the beginning of the day for three days. Control group: These patients are given nutritional and routine heart disease training. . There is no intervention in this group. Sham group: The sham group offers routine nursing nutrition and care training Main outcome variables: Improve intestinal function and prevent constipation