Inclusion Criteria:

          1. Patients must meet the following criteria on screening examination to be eligible to
             participate in the study:

          2. Patient is willing and able to give written informed consent.

          3. Age ≥ 18 years, ≤75 years

          4. Pathologically confirmed, clinically evident (by physical examination or radiographic
             imaging) stage IIIDN3c、IVM1a、M1b、M1c cutaneous melanoma.

          5. Lesions that can be measured，and at least one lesion that can be used to evaluate the
             efficacy of immunotherapy;Multiple biopsies are available for lesions.

          6. Patient is agreeable to allow tumor、normal tissue samples and blood samples to be
             submitted for genomic/complete exome/transcriptional sequencing；

          7. ECOG score is 0 or 1

          8. Life expectancy >6 months

          9. Normal organ and bone marrow function as defined below:

             Leukocytes ≥ 3,500/mcL Absolute lymphocyte count > 800/mcL Absolute neutrophil count >
             1,500/mcL Platelets > 100,000/mcL Hemoglobin > 10.0 g/dL Total serum bilirubin < 1.0 x
             institutional upper limit of normal AST (SGOT)/ALT (SGPT) < 2.0 x institutional upper
             limit of normal Serum creatinine< 1.5 x institutional upper limit of normal

         10. Women of childbearing potential (WOCBP) must have a negative pregnancy test before
             entering the trial and within 7 days prior to start of study medication.

         11. Female patients enrolled in the study, short-term have no fertility plan and must
             agree to use an adequate method of contraception starting with the first dose of study
             therapy through 90 days after the last dose of study therapy.

         12. Male patients must agree to use an adequate method of contraception starting with the
             first dose of study therapy through 90 days after the last dose of study therapy.

         13. Good compliance, able to follow research protocols and follow-up procedures.

        Exclusion Criteria:

          1. Patients who meet any of the following criteria will not be eligible for this study.

          2. Uveal or mucosal melanoma；

          3. Patients who received immunotherapy or other targeted cancer therapy within 4 weeks
             (including, but not limited to: IL-2, CTLA-4 blockade, PD-1/PD-L1 blockade, but
             exception of INF-α given as adjuvant treatment)

          4. Previous bone marrow or stem cell transplant

          5. History of severe allergic reactions attributed to any vaccine therapy

          6. Active, known, or suspected autoimmune disease with the exception of vitiligo, type 1
             diabetes, or psoriasis not requiring systemic treatment.

          7. Use of a non-oncology vaccine therapy for prevention of infectious diseases (up-to) 4
             weeks prior to enrollment to the study. Patients may not receive any non-oncology
             vaccine therapy during the period of NeoVax administration and until at least 8 weeks
             after the last dose of study therapy

          8. In an immunosuppressive stage or immunosuppressive drugs were used systematically
             within 2 weeks.

          9. Patients with long-term use of glucocorticoids or with experimental anti-tumor drugs

         10. Active bacterial or fungal infections identified clinically (>= level 2 of NCI-CTC
             edition 3);

         11. Known chronic infections with HIV, hepatitis B or C

         12. Known active or latent tuberculosis infection

         13. A history of idiopathic pulmonary fibrosis and organized pneumonia, or active
             pneumonia on chest computed tomography.

         14. Complicated with other tumors, except for cervical cancer in situ and basal cell
             carcinoma five years ago.

         15. Severe coronary or cerebrovascular disease, or other diseases that the investigators
             considered should to be exclusion;

         16. Drug abuse, Clinical, psychological or social factor result in affecting informed
             consent or research implementation.