How to sample health certificate

Can receive stool collection container, when there is stool, collect stool like broad bean size, stool shows pus blood, should take part of pus blood. In sampling time can not touch toilet sewage, otherwise it will affect the inspection results, inspection time should choose regular hospital, because the equipment is more advanced, can improve the accuracy of inspection results. Usually should also keep stool unobstructed, develop regular defecation good habits.