Inclusion Criteria:

          -  The age ranged from 7 to 70 years (including the cut-off value), regardless of gender

          -  The expected survival time was more than 6 weeks

          -  ECOG score 0-1

          -  Malignant lymphoma (including but not limited to acute T-lymphoblastic leukemia /
             lymphoma; extramedullary NK / T-cell lymphoma, nasal type; peripheral T-cell lymphoma,
             nonspecific; vascular immunoblastic T-cell lymphoma; intestinal disease associated
             T-cell lymphomas; anaplastic large cell lymphoma (ALK -); T-cell lymphoblastic
             leukemia)

          -  When screening, hematological malignancies with CD7 Positive confirmed by bone marrow
             examination or tumor pathology with positive rate of CD7 ≥ 30%, meeting one of the
             following conditions:

               1. At least two chemotherapy regimens failed or did not achieve complete remission
                  or relapse;

               2. Patients who relapsed after stem cell transplantation were not affected by other
                  treatment methods;

          -  For peripheral blood involved acute T-lymphoblastic leukemia / lymphoma and NK /
             T-cell lymphoma, patients with TCR rearrangement were detected by ngs

          -  The liver and kidney function, heart and lung function meet the following
             requirements:

               1. Creatinine ≤ 1.5 ULN;

               2. LVEF ≥ 45%;

               3. Blood oxygen saturation > 91%;

               4. The total bilirubin ≤ 2 × ULN; ALT and AST ≤ 2.5 × ULN; the abnormal ALT and AST
                  caused by diseases (such as liver infiltration or bile duct obstruction) can be
                  relaxed to ≤ 5 × ULN;

          -  Understand the experiment and have signed the informed consent

        Exclusion Criteria:

          -  Those who need immunosuppressant;

          -  For intestinal disease-related T-cell lymphoma, patients with intestinal ulcer or
             hematochezia were examined by colonoscopy;

          -  In addition to cervical carcinoma in situ, basal cell or squamous cell skin cancer,
             local prostate cancer after radical operation, and breast ductal carcinoma in situ
             after radical operation;

          -  The patients with positive HBsAg or HBcAb and HBV DNA titer in peripheral blood were
             not within the normal reference value; those with positive anti HCV antibody and
             positive HCV RNA in peripheral blood; those with HIV antibody positive and
             cytomegalovirus DNA positive Syphilis was positive;

          -  Severe heart disease: including but not limited to unstable angina pectoris,
             myocardial infarction (within 6 months before screening), congestive heart failure
             (NYHA classification ≥ III), severe arrhythmia;

          -  Unstable systemic diseases judged by researchers: including but not limited to severe
             liver, kidney or metabolic diseases requiring drug treatment;

          -  Within 7 days before screening, there were active or uncontrollable infections
             requiring systemic treatment (except for mild genitourinary system infection and upper
             respiratory tract infection);

          -  Pregnant or lactating women, female subjects planning pregnancy within 1 year after
             cell reinfusion or male subjects whose partners plan to conceive within 1 year after
             cell reinfusion;

          -  Patients who had received car-t therapy or other gene modified cell therapy before
             screening;

          -  Subjects who were receiving systemic steroid therapy or were receiving systemic
             steroid therapy for 7 days were excluded;

          -  Participated in other clinical studies within 3 months before screening;

          -  There was evidence of central nervous system invasion during screening;

          -  According to the judgment of the researchers, it does not conform to the condition of
             cell preparation;

          -  Other researchers think it is not suitable to be included in the study.