- 利他林 Lìtālín Ritalina stimulant drug (methylphenidate) used primarily to treat attention deficit hyperactivity disorder (ADHD) and narcolepsy
- 利他主义 lìtāzhǔyì altruism
- 利他灵 Lìtālíng Ritalinthe brand name for methylphenidate, a stimulant medication used primarily to treat attention deficit hyperactivity disorder (ADHD) and narcolepsy
- 利他能 Lìtānéng Ritalinmethylphenidate, a stimulant drug used to treat ADHD
- 利他行为 lìtāxíngwéi altruistic behavior
