There is no such thing as which three fruits are most feared in dialysis. Fruits are not drugs and do not have curative or interventional therapeutic effects, but dialysis patients mostly have electrolyte disorders and need to consume fruits in moderation. Dialysis is the use of small molecules through the semi-permeable membrane diffusion to water or buffer principle, to let the body fluids of a certain component through the semi-permeable membrane out of the body of a therapeutic method. Fruit is a common food that only serves as a nutritional supplement to the body and has no therapeutic intervention, so there is no such thing as the three most feared fruits for dialysis. Although fruits do not have too much influence on dialysis treatment, consuming certain fruits in large quantities may affect some dialysis patients, such as those who have potassium excretion disorder caused by abnormal renal function, if they consume large quantities of fruits with high potassium content such as bananas and grapefruit in an uncontrolled manner, it may cause hyperkalemia. In addition, whether dialysis patients can consume fruits and which fruits they can consume, it is recommended to follow the guidance of professional doctors.