To assess the effectiveness and safety of utidelone injection in patients with advanced or metastatic NSCLC as a phase II trial

Inclusion Criteria:

1. Histologically or cytologically confirmed non-small cell lung cancer
2. NSCLC patients who are not suitable for surgery or radical radiotherapy or chemotherapy, or who have failed to or are intolerable for standard treatment in local advanced or metastatic NSCLC;
3. NSCLC patients failed or intolerable to previous standard second-line treatment (including platinum chemotherapy or targeted therapy);
4. Patients who did not receive chemotherapy, radiotherapy, surgical therapy, molecularly targeted drug therapy, or immunotherapy 4 weeks prior to enrollment;
5. Age 18 -70 years old, ECOG performance status of 0-1; Life expectancy of 3 months or more;
6. Patients must have measurable disease, defined as at least one target lesion that can be accurately measured by imaging techniques in at least one dimension as ≥20 mm with conventional computed tomography (CT), ≥10 mm with spiral CT scan (≥15mm for lymph node) within 3 weeks before enrolment;
7. Patients with no brain metastases or with brain metastases but are stable for more than 4 weeks after treatment;
8. Peripheral neuropathy (PN) \