No drug has been available for treating a peripheral sensory neuropathy caused as a side effect by a drug, in particular, by an anticancer drug such as oxaliplatin.A composition for ameliorating peripheral sensory neuropathy, which is characterized by including a Lentinus edodes mycelium extract, ameliorates symptoms induced by the drug such as the anticancer drug, including numbness of extremities, a pain in extremities, a reduction in deep tendon reflection, a reduction in muscle force, allodynia, hyperalgesia, impaired finger fine movement, impaired walking, stumbling, falling, impaired flexion (being difficult or impossible to sit on one's heels, sit cross-legged, sit with one's legs out to one side, sit on a chair, or the like), or paralysis of extremities.
